
Legumes · Legume
Baked Beans
Phaseolus vulgaris · also called Beans in tomato sauce, pork and beans, canned baked beans, frijoles horneados (Spanish)
Baked beans are cooked beans in a sweet or savoury sauce, usually tomato, sold in cans or made at home. They give fibre and plant protein, and the sauce adds salt and sugar. Pooled trials of beans and other pulses found slightly lower LDL cholesterol, but the one trial of canned baked beans on their own found no change. Main cautions: sodium and added sugar in many canned versions, dried beans must be boiled properly in home recipes, gas in some people, and bean allergy is possible.
General information, not medical advice. Last substantive update · Not medically reviewed. A named clinician has not signed off on this page. How this page is made
About Baked Beans
Baked beans are beans in a sauce, usually tomato. The beans give fibre and plant protein. The sauce often brings salt and sugar. They are an everyday food, not a proven remedy: the health findings come from studies of pulses in general, and the only baked bean trial read found no change in cholesterol.
What it is
Baked beans are cooked common beans (Phaseolus vulgaris, in the legume family) in a sauce. The British Heart Foundation says they are usually haricot or cannellini beans canned in tomato sauce. You can buy them canned, in original, reduced-sugar and reduced-salt versions or with sausages, cheese or curry sauce, or make them at home.
USDA lists two different recipes, so they should not be compared like for like. Canned with pork and tomato sauce, per 100 g: 94 kcal, 5.15 g protein, 4.0 g fibre, 5.67 g total sugars and 437 mg sodium. One cup (246 g) has about 231 kcal, 12.7 g protein, 9.8 g fibre, 13.9 g sugars, 1,075 mg sodium, 726 mg potassium and 8.0 mg iron. Home prepared, per 100 g: 155 kcal, 5.54 g protein, 5.15 g fat, 5.5 g fibre and 422 mg sodium. One cup (253 g) has about 392 kcal, 13.9 g fibre, 4.9 g saturated fat and 1,068 mg sodium. Values vary by recipe, brand and country.
The sauce: salt and sugar
The beans are not the problem; the sauce is. The British Heart Foundation says most canned baked beans are ultra-processed, with added sugars and salt. Half a UK can (207 g) has about 1.3 g of salt and about 9 g of sugar, most of it added. A reduced-sugar, reduced-salt version in its table had 0.9 g of salt and 3.9 g of sugar.
A cup of the USDA canned item has about 1,075 mg of sodium. That is 47% of the FDA Daily Value (2,300 mg) and more than half of the 2,000 mg a day that WHO recommends adults stay under. WHO says high sodium raises blood pressure. A pooled analysis of 133 trials found that cutting sodium lowered systolic pressure by 4.26 mm Hg on average. The USDA home-prepared recipe also has about 1,070 mg of sodium in a cup, so home-made is not automatically low in salt.
The BHF suggests choosing no-added-sugar or reduced-sugar and reduced-salt versions, and serving beans with wholemeal toast or vegetables.
What the research shows
The firmest facts are about nutrients: the beans give fibre and plant protein. These are not trials of baked beans.
Pooled trials of pulses (beans, chickpeas, lentils and peas) found LDL cholesterol 0.14 to 0.17 mmol/L lower, a very small weight loss of about 0.34 kg, and lower blood sugar markers with large differences between trials. Cohort studies link more legumes to lower high blood pressure risk (RR 0.84) and a little less cardiovascular disease and death from any cause (HR 0.94). Cohort studies cannot prove cause.
Studies of baked beans themselves are few. In 1990, 20 men with mildly high cholesterol ate canned baked beans or canned spaghetti; cholesterol, HDL, triglyceride and glucose did not change. A 2011 paper reports gas questionnaires from a 29-person baked bean feeding study, but its cholesterol results were not in the abstract read.
Home-made baked beans: boil dried beans first
Canned baked beans are already cooked. The FDA says canned and properly cooked beans have only low levels of the lectin PHA. Raw or undercooked dried beans can cause nausea, severe vomiting and diarrhea. The FDA says soaking for at least 5 hours then boiling in fresh water for at least 30 minutes removes it. The FDA page names kidney beans, not the beans used in baked beans, so we apply the same caution by the same logic.
Harvard says low heat, for example in a slow cooker, or undercooking does not remove all lectins. So a home recipe that bakes soaked beans slowly without boiling first is the risk. In a 2018 outbreak in France, 200 diners became ill after chili con carne made with undercooked raw kidney beans.
Beans versus the sauce
The cholesterol, blood sugar and weight results come from trials of plain whole pulses. A sweetened, salted sauce changes the food, so do not assume the same result. Extracts and supplements from beans are different products and were not covered.
Amounts
This page gives no amounts to eat. Ask a doctor, pharmacist or dietitian what is right for you, especially if you take warfarin, have kidney problems, high blood pressure, diabetes or a food allergy.
At a glance
Traditional uses history, not proof
- Eaten as a food, canned or home-made, often with toast
- Long use as food is not proof that it treats any condition
Studied for research
- Fibre and plant protein, high certainty for the nutrients, no baked bean trial
- Counts as one of 5 A DAY in UK guidance, high certainty (guidance, not a trial)
- Cholesterol, mixed certainty (pulses moderate, the one baked bean trial found no change)
- Blood sugar, low certainty (pulses as a group)
- Body weight, low certainty (very small effect, pulses as a group)
- Blood pressure, low certainty (observational, legumes as a group)
- Heart disease and early death, low certainty (observational)
- Lycopene from the tomato sauce, insufficient evidence
Main compounds
- Fibre
- Lycopene (from the tomato sauce)
- Salt (sodium)
- Sugars, mostly added
- Iron and other minerals
- Phytohaemagglutinin (a lectin, in raw dried beans)
Common forms
- Canned baked beans in tomato sauce (already cooked; sodium and sugar vary by brand)
- Reduced-sugar and reduced-salt canned versions
- Home-made from dried beans (boil first, then bake)
- Flavoured versions with sausages, cheese or curry sauce
Research links: British Heart Foundation: are baked beans good for you? · 2026 review: whole pulses and cholesterol · FDA: natural toxins in food (raw beans) · WHO: sodium reduction · Research Library · Genes & Biomarkers Library
What it is and its history
- Accepted scientific name
- Phaseolus vulgaris
- Naming authority
- L. (GBIF accepted name)
- Common names
- Baked beans (English); Beans in tomato sauce (English); Pork and beans (English); Frijoles horneados (Spanish)
- Family or group
- Fabaceae (the legume or pea family), as given by GBIF.
- Classification
- Plantae > Tracheophyta > Magnoliopsida > Fabales > Fabaceae > Phaseolus > Phaseolus vulgaris
- Native range
- Not verified from a source read.
- Habitat
- Not verified from a source read.
- What it looks like
- Roots: Not verified.; Stems: Not verified.; Leaves: Not verified.; Flowers: Not verified.; Fruit: Baked beans are a prepared dish, not a plant. The beans are cooked and served in a sauce, usually tomato-based (BHF).
- Cultivation
- Not verified from a source read.
- Harvest and processing
- Sold canned in tomato sauce (already cooked) or made at home from dried or canned beans (BHF, USDA). Varieties include original, reduced sugar and salt, curry, with pork sausages, with vegan sausages and cheesy (BHF table).
- Look-alikes and adulterants
- Name: Plain canned beans; Note: Beans canned in water or brine, without the sweet tomato sauce; their sodium and sugar are different.; Name: Navy beans; Note: A white bean with its own page; baked beans are often made with white beans such as haricot (BHF).; Name: Refried beans; Note: A different cooked bean dish with its own page.
- Sustainability and conservation
- Not assessed.
Photographs

What is inside, and how it may work
What it contains and how those compounds act in cells and animals. Laboratory and animal mechanisms are not proven effects in people.
Main compounds
| Compound | Family | Where it is concentrated | Activity studied | Level of evidence |
|---|---|---|---|---|
| Dietary fibre | carbohydrate | Bean USDA per 100 g: canned with pork and tomato sauce 4.0 g; home prepared 5.5 g. BHF: 8.0 g in half a UK can (207 g), soluble and insoluble | The BHF says soluble fibre helps lower cholesterol and insoluble fibre keeps the digestive system healthy. The National Kidney Foundation says bean fibre helps you stay full, slows how quickly blood sugar rises and feeds gut bacteria. 31 30 16 28 | Human data |
| Lycopene PubChem 446925 | carotenoid | Tomato sauce Not given in the sources read | The BHF calls the lycopene in the tomato sauce a protective antioxidant linked with lower heart and circulatory disease risk. No baked bean study was found. 16 29 | Unknown |
| Salt (sodium) | mineral | Added to the sauce USDA per 100 g: canned 437 mg sodium; home prepared 422 mg. BHF: about 1.3 g salt in half a UK can (0.9 g in a reduced version) | High sodium raises blood pressure and the risk of cardiovascular disease (WHO). 31 30 16 32 | Human data |
| Sugars (mostly added) | carbohydrate | Added to the sauce USDA canned: 5.67 g total sugars per 100 g (home prepared not listed). BHF: about 8.9 to 9 g in half a UK can; 3.9 g in the reduced-sugar version | The BHF says most of the sugar in baked beans is added, because beans do not naturally contain much. WHO sets limits on free sugars across the whole diet. 31 16 33 | Human data |
| Phytohaemagglutinin (a lectin) | protein (lectin) | Raw dried bean Not given for baked beans; the French outbreak report measured very high activity in raw kidney beans | At high levels in raw or undercooked beans it can cause nausea, severe vomiting and diarrhea (FDA). Proper boiling destroys it; canned and properly cooked beans have low levels. 18 20 13 | Human data |
Mechanisms, receptors and pathways
| Target or pathway | Gene or receptor | What was found | Level |
|---|---|---|---|
| Fibre, cholesterol and blood sugar | Not specified | The National Kidney Foundation and the BHF describe bean fibre as lowering bad cholesterol and slowing blood sugar rises. Pooled trials of pulses found small LDL falls, but the one baked bean trial found no change, so the sauce, the amount, or the fat in the rest of the diet may matter. 28 16 7 2 5 | Human data |
| Fermentation of bean carbohydrates in the large intestine | Not specified | NIDDK says carbohydrates not fully digested reach the large intestine, where bacteria break them down and make gas. 27 14 | Human data |
| Lectin toxicity of raw beans | Carbohydrate-binding proteins (lectins) | Lectins bind carbohydrates and resist digestion; the bean lectin PHA causes severe vomiting and diarrhea at high levels in raw beans. Wet cooking inactivates most lectins; low heat does not remove all. 18 20 | Human data |
| Sodium and blood pressure | Not specified | In 133 randomised trials, cutting sodium lowered blood pressure in people with and without high blood pressure (systolic -4.26 mm Hg on average). WHO says high sodium raises blood pressure. 8 32 | Human data |
| Sugar and plaque acid | Not specified | A 1997 test in six volunteers measured plaque acidity after four varieties of baked beans; the abstract reports no straight-line link between sugar content and acid-forming potential and gives no baked bean figures. 6 | Human data |
Absorption, metabolism and elimination
- Absorption
- Not found for baked beans.
- Distribution
- Not found.
- Metabolism
- Not found.
- Elimination
- Not found.
- Bioavailability
- Not found for baked beans. The National Kidney Foundation says the potassium and phosphorus in plant foods such as beans are not absorbed as well as from animal sources or additives.
Isolated compounds versus whole extracts
Baked beans are beans plus a sauce. The cholesterol, blood sugar and weight results come from trials of plain whole pulses, not a sweetened, salted sauce. The one baked bean trial read found no change in cholesterol. Extracts and supplements from beans are different products and were not covered.
Nutritional composition
Nutrition from USDA FoodData Central (SR Legacy, April 2018 release; values read 2026-10-26 from a saved copy of the data feed). Two different USDA recipes: do not compare them like for like. CANNED, with pork and tomato sauce (FDC 173733), per 100 g: 94 kcal, 5.15 g protein, 0.93 g fat (0.293 g saturated), 18.69 g carbohydrate, 5.67 g total sugars, 4.0 g fibre, 437 mg sodium, 295 mg potassium, 3.24 mg iron, 34 mg magnesium, 116 mg phosphorus, 56 mg calcium, 15 micrograms folate (DFE), 0.5 micrograms vitamin K. One cup (246 g) of the canned item: about 231 kcal, 12.7 g protein, 2.3 g fat (0.7 g saturated), 46 g carbohydrate, 13.9 g sugars, 9.8 g fibre, 1,075 mg sodium, 726 mg potassium, 285 mg phosphorus, 8.0 mg iron, 84 mg magnesium, 37 micrograms folate and 1.2 micrograms vitamin K. HOME PREPARED (FDC 173731), per 100 g: 155 kcal, 5.54 g protein, 5.15 g fat (1.948 g saturated), 21.63 g carbohydrate, 5.5 g fibre, 422 mg sodium, 358 mg potassium, 1.99 mg iron, 43 mg magnesium, 48 micrograms folate (DFE); USDA lists no sugars figure for it. One cup (253 g) of the home-prepared item: about 392 kcal, 14 g protein, 13 g fat (4.9 g saturated), 54.7 g carbohydrate, 13.9 g fibre, 1,068 mg sodium, 906 mg potassium, 5.0 mg iron, 109 mg magnesium and 121 micrograms folate. Cup figures are the 100 g values multiplied by the USDA gram weight. The sodium percentages (about 47% and 46% of the FDA's 2,300 mg Daily Value per cup) are our arithmetic from those values. A UK example from the British Heart Foundation, half a 400 g can (207 g) of original baked beans: 168 kcal, 0.7 g fat, 8.9 g sugars, 8.0 g fibre, 10 g protein and 1.3 g salt; the no-added-sugar, 25% less salt version: 136 kcal, 3.9 g sugars, 7.5 g fibre and 0.9 g salt. USDA also lists zinc for the canned item at 5.48 mg per 100 g, which looks out of line with the other values, so it is not used. Values vary by recipe and brand and by country.
2 high certainty1 mixed findings4 low certainty1 not enough evidence
What was looked at
The 8 benefits and uses checked for Baked Beans, each with how strong the evidence is. Tap one to open it.
- Fibre, protein, iron and other mineralsHigh certainty
- CholesterolMixed findings
- Blood sugarLow certainty
- Body weightLow certainty
- Counts towards 5 A DAYHigh certainty
- Blood pressure (legumes, observational)Low certainty
- Heart disease and early death (legumes, observational)Low certainty
- Lycopene from the tomato sauceNot enough evidence
Lab markers tracked in the studies
LDL cholesterolHDL cholesterol and triglyceridesFasting blood glucoseHbA1c and fructosamineBody weightRisk of developing high blood pressureCardiovascular disease incidenceDeath from any cause
What is Baked Beans good for?
The main studied uses and how strong the human evidence is for each. Most results are for pulses or legumes as a group, not for eating baked beans in sauce.
Benefits, one by one
Each card is a research question, not a promise. Tap a goal to filter. Open a card to see the studies, doses and limits.
Fibre, protein, iron and other minerals
High certaintyBy USDA data, one cup of canned baked beans in tomato sauce (246 g) has about 9.8 g of fibre, 12.7 g of protein and 8.0 mg of iron. One cup of home-prepared baked beans (253 g) has about 13.9 g of fibre, 14 g of protein and 5.0 mg of iron. The British Heart Foundation says baked beans are low in fat and high in fibre. These are nutrient facts about the food, not trials of baked beans.
5 studiesCanned baked beans with pork and tomato sauce (USDA 173733); home-pre…
Studies, doses and limits
What the trials found
No trial of baked beans for bowel health was found. In a cross-over trial of 20 men, baked beans gave about 12 g a day more non-starch polysaccharide (a type of fibre) than canned spaghetti, but this did not change blood cholesterol (see the cholesterol entry).
Results
Baked beans are a fibre and plant protein food by USDA and BHF figures. Home-made and canned recipes differ a lot.
Effect sizes as reported
Per 100 g: canned with pork and tomato sauce 4.0 g fibre, 5.15 g protein, 3.24 mg iron; home prepared 5.5 g fibre, 5.54 g protein, 1.99 mg iron (USDA).
Why this rating
The amounts are measured nutrient facts from USDA and BHF. No health effect of this fibre in baked beans has been tested, so none is claimed.
Form and dose studied
Canned baked beans with pork and tomato sauce (USDA 173733); home-prepared baked beans (USDA 173731); UK canned baked beans (BHF).
Limits
Values vary by recipe and brand. USDA lists two different recipes, so the two columns should not be compared like for like.
Why researchers looked
People ask whether a cheap, ready-made food such as baked beans is still a useful source of fibre and plant protein.
Traditional use
Baked beans are eaten as a food, canned or home-made. Long use as food is not proof that it treats any condition.
Proposed mechanism Unknown
Not tested here. The National Kidney Foundation describes bean fibre in general terms: it helps you stay full, lowers bad cholesterol, slows how quickly blood sugar rises after a meal and feeds good gut bacteria.
A proposed mechanism does not show that the effect happens in people.
The sauce adds sodium and sugar (see Safety). Beans cause gas in some people.
Cholesterol
Mixed findingsPooled trials of beans, chickpeas, lentils and peas together found LDL ('bad') cholesterol a little lower. The one trial that tested canned baked beans on their own, in 20 men in 1990, found no change in cholesterol. So the pulse result may not carry over to baked beans in sauce.
3 studiesPulses as food in the pooled trials; canned baked beans in the 1990 t…
Studies, doses and limits
What the trials found
A 2014 pooled analysis of 26 trials (1,037 adults) found diets with pulses (median 130 g a day, at least 3 weeks) lowered LDL by 0.17 mmol/L. A 2026 update of 38 trials (2,095 adults, median 6 weeks) found LDL 0.14 mmol/L lower, with similar results across pulse types and moderate-to-high GRADE certainty. A 1990 cross-over trial of 20 mildly hypercholesterolaemic men compared canned baked beans with canned spaghetti and found no change in total cholesterol, HDL cholesterol, triglyceride or glucose; the authors say about six 440 g cans a week did not lower cholesterol when dietary fat was not displaced.
Results
Small LDL falls for pulses as a group. Not shown for baked beans themselves: the only baked bean trial read was null.
Effect sizes as reported
LDL -0.17 mmol/L (2014) and -0.14 mmol/L (2026), pulses as a group. No change in the 1990 baked bean trial.
Why this rating
Moderate to high certainty (the reviewers' GRADE) that whole pulses lower LDL a little. For baked beans in sauce the only trial found no effect, it was small (20 men) and old, so the pulse result cannot be assumed.
Form and dose studied
Pulses as food in the pooled trials; canned baked beans in the 1990 trial.
Who was studied
Adults; the baked bean trial was in 20 men with mildly high cholesterol.
Limits
The pooled trials are mostly plain cooked pulses, not a sweetened, salted sauce. The 1990 trial is small, old and compared against spaghetti.
Why researchers looked
Beans contain fibre and plant protein, and people ask whether eating them lowers blood cholesterol.
Traditional use
Baked beans are eaten as a food, canned or home-made. Long use as food is not proof that it treats any condition.
Proposed mechanism Unknown
Not established.
A proposed mechanism does not show that the effect happens in people.
None specific, apart from the sodium and sugar in the sauce.
Blood sugar
Low certaintyPooled trials of beans and other pulses found lower fasting blood sugar and long-term sugar markers, but the trials differed a lot and a 2020 review rated the evidence very low. No trial of baked beans for blood sugar was found, and the sauce adds sugar.
3 studiesPulses and legumes as food.
Studies, doses and limits
What the trials found
A 2009 review of 41 randomised trials found pulses alone lowered fasting glucose (standardised difference -0.82) and insulin, and pulses in low-GI or high-fibre diets lowered HbA1c or fructosamine, with high unexplained differences between trials. A 2020 review of 18 trials of at least 6 weeks found significant effects only in studies of people with type 2 diabetes (lower fasting glucose in three and lower HbA1c in two), and rated the overall quality very low.
Results
Possible small benefits for pulses as a group, in some people, with weak evidence. Nothing specific to baked beans.
Effect sizes as reported
Fasting glucose SMD -0.82 (95% CI -1.36 to -0.27) for pulses alone in 11 trials (2009).
Why this rating
High unexplained differences between trials in the 2009 review, and the 2020 review graded the evidence very low. Neither is about baked beans in sauce.
Form and dose studied
Pulses and legumes as food.
Who was studied
People with and without diabetes.
Limits
Not baked beans. Added sugar in the sauce was not looked at.
Why researchers looked
Beans are digested slowly, so people ask whether eating them steadies blood sugar.
Traditional use
Baked beans are eaten as a food, canned or home-made. Long use as food is not proof that it treats any condition.
Proposed mechanism Unknown
Not established.
A proposed mechanism does not show that the effect happens in people.
If you take diabetes medicines, ask your clinic before big changes to your diet.
Body weight
Low certaintyPooled trials found diets with beans and other pulses gave a very small extra weight loss, about 0.34 kg over about 6 weeks. No trial of baked beans for weight was found.
1 studiesWhole pulses as food.
Studies, doses and limits
What the trials found
A 2016 review of 21 randomised trials (940 people) found diets with pulses (median 132 g a day, median 6 weeks) led to 0.34 kg more weight loss than diets without pulses. This held in weight-loss diets and in weight-maintaining diets. Six trials suggested possibly lower body fat percentage.
Results
A very small weight difference for pulses as a group.
Effect sizes as reported
-0.34 kg (95% CI -0.63 to -0.04).
Why this rating
The effect is very small and short-term, the confidence range comes close to zero, and the trials are about pulses, not baked beans.
Form and dose studied
Whole pulses as food.
Who was studied
Adults.
Limits
Baked beans in sauce have more sugar and salt than plain beans (see Safety). Long-term effects were not shown.
Why researchers looked
Beans are filling, so people ask whether they help weight control.
Traditional use
Baked beans are eaten as a food, canned or home-made. Long use as food is not proof that it treats any condition.
Proposed mechanism Unknown
Not established.
A proposed mechanism does not show that the effect happens in people.
None specific.
Counts towards 5 A DAY
High certaintyThe British Heart Foundation says baked beans count as one of your 5 A DAY, once a day, however much you eat. The NHS says beans and pulses count only once because they have fewer nutrients than other fruit and vegetables. This is official food guidance, not a health trial.
2 studiesCanned baked beans (UK guidance).
Studies, doses and limits
What the trials found
Not a trial question. BHF dietitian Dell Stanford (published 17 February 2026) and the NHS (page reviewed 9 June 2026) give the rule. The NHS page names beans and pulses, not baked beans.
Results
Baked beans count once a day towards 5 A DAY in UK guidance.
Why this rating
Stated by the BHF and the NHS. It is a labelling rule, not a measured health effect.
Form and dose studied
Canned baked beans (UK guidance).
Who was studied
General public in the UK.
Limits
UK guidance. A US 'serving' or label may differ.
Why researchers looked
People ask whether canned baked beans count as a vegetable portion.
Traditional use
Baked beans are eaten as a food, canned or home-made. Long use as food is not proof that it treats any condition.
Proposed mechanism Unknown
Not established.
A proposed mechanism does not show that the effect happens in people.
Most canned baked beans carry added salt and sugar (see Safety).
Blood pressure (legumes, observational)
Low certaintyIn long-term studies, people who ate the most legumes had about 16% lower risk of developing high blood pressure than those who ate the least (RR 0.84). This is an association, not proof, and it is about legumes as a group. Sodium in a salty sauce works in the other direction (see Safety).
2 studiesLegumes as food.
Studies, doses and limits
What the trials found
A 2026 meta-analysis of prospective studies found high versus low legume intake linked to lower hypertension risk (RR 0.84, 95% CI 0.77 to 0.93; 10 studies, 309,853 people) and RR 0.88 per 100 g a day. A 2019 umbrella review found pulses with or without other legumes linked to lower hypertension incidence (RR 0.91, 0.86 to 0.97), graded very low certainty.
Results
Higher legume intake was linked to a lower chance of developing high blood pressure.
Effect sizes as reported
RR 0.84 (high vs low legumes, 2026); RR 0.91 (2019 review).
Why this rating
Observational. The 2019 review rates the certainty very low. People who eat more legumes may differ in other ways. Baked beans in sauce were not analysed.
Form and dose studied
Legumes as food.
Who was studied
Adults in cohort studies.
Limits
Not baked beans. The sodium in canned sauce was not accounted for.
Why researchers looked
Beans contain potassium and fibre, and people ask whether eating them affects blood pressure.
Traditional use
Baked beans are eaten as a food, canned or home-made. Long use as food is not proof that it treats any condition.
Proposed mechanism Unknown
Not established.
A proposed mechanism does not show that the effect happens in people.
A cup of canned baked beans has about 1,075 mg of sodium by USDA data.
Heart disease and early death (legumes, observational)
Low certaintyHigher legume intake was linked to a little less cardiovascular disease and a little lower risk of death from any cause (HR 0.94). These are observational results for legumes as a group, not baked beans.
2 studiesPulses and legumes as food.
Studies, doses and limits
What the trials found
A 2019 umbrella review of 28 cohort studies linked higher pulse and legume intake to lower incidence of cardiovascular disease (RR 0.92) and coronary heart disease (RR 0.90), but not to heart attack, stroke or diabetes incidence or to cardiovascular death; certainty low for cardiovascular disease and very low for the rest. A 2023 meta-analysis of 32 cohorts (1,141,793 people) linked higher legume intake to lower all-cause mortality (HR 0.94) and stroke mortality (HR 0.91), with no link to cardiovascular, coronary or cancer mortality.
Results
Small links to less heart disease and lower overall mortality, with low certainty.
Effect sizes as reported
CVD RR 0.92; CHD RR 0.90; all-cause mortality HR 0.94.
Why this rating
Observational; cannot show that beans cause the difference. The reviewers graded the 2019 results low or very low and the 2023 results low to moderate. Not about baked beans.
Form and dose studied
Pulses and legumes as food.
Who was studied
Adults in cohort studies.
Limits
Mixed legumes, no baked bean analysis, other lifestyle differences.
Why researchers looked
People ask whether a bean-rich diet is linked to long-term health.
Traditional use
Baked beans are eaten as a food, canned or home-made. Long use as food is not proof that it treats any condition.
Proposed mechanism Unknown
Not established.
A proposed mechanism does not show that the effect happens in people.
None specific.
Lycopene from the tomato sauce
Not enough evidenceThe British Heart Foundation says the tomato sauce in baked beans is rich in lycopene, an antioxidant linked to a lower risk of heart and circulatory disease. We found no trial of baked beans that measured this, so we cannot say the sauce gives a heart benefit.
1 studiesTomato sauce in canned baked beans (UK).
Studies, doses and limits
What the trials found
No study of baked beans and lycopene or heart outcomes was found. The BHF statement is a dietitian's summary, not a trial.
Results
Not shown.
Why this rating
A single expert statement; no baked bean data.
Form and dose studied
Tomato sauce in canned baked beans (UK).
Limits
The lycopene content of baked beans was not read from a source.
Why researchers looked
The sauce is made with tomatoes, and tomato lycopene is a well-known plant compound.
Traditional use
Baked beans are eaten as a food, canned or home-made. Long use as food is not proof that it treats any condition.
Proposed mechanism Unknown
Not tested for baked beans. The BHF calls lycopene a protective antioxidant.
A proposed mechanism does not show that the effect happens in people.
None specific.
Connections to the rest of health
How Baked Beans connects to the rest of our health knowledge graph. Every link says what kind of connection it is. A safety link (for example to the liver) is a warning, not a benefit. A study that merely mentions a topic never creates a benefit link.
Explore every connection: goals, body systems, organs, symptoms, genes
A. Wellness goals
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| Digestive Support | Demonstrated clinical effect | High certainty | Fibre, protein, iron and other minerals: By USDA data, one cup of canned baked beans in tomato sauce (246 g) has about 9.8 g of fibre, 12.7 g of protein and 8.0 mg of iron. One cup of home-prepared baked beans (253 g) has about 13.9 g of fibre, 14 g of protein and 5.0 mg of iron. The British Heart Foundation says baked beans are low in fat and high in fibre. These are nutrient facts about the food, not trials of baked beans. | 30 31 16 28 5 |
| Heart Health | Demonstrated clinical effect | High certainty | Fibre, protein, iron and other minerals: By USDA data, one cup of canned baked beans in tomato sauce (246 g) has about 9.8 g of fibre, 12.7 g of protein and 8.0 mg of iron. One cup of home-prepared baked beans (253 g) has about 13.9 g of fibre, 14 g of protein and 5.0 mg of iron. The British Heart Foundation says baked beans are low in fat and high in fibre. These are nutrient facts about the food, not trials of baked beans. Counts towards 5 A DAY: The British Heart Foundation says baked beans count as one of your 5 A DAY, once a day, however much you eat. The NHS says beans and pulses count only once because they have fewer nutrients than other fruit and vegetables. This is official food guidance, not a health trial. | 30 31 16 28 5 24 |
| Cholesterol Balance | Mixed findings | Cholesterol: Pooled trials of beans, chickpeas, lentils and peas together found LDL ('bad') cholesterol a little lower. The one trial that tested canned baked beans on their own, in 20 men in 1990, found no change in cholesterol. So the pulse result may not carry over to baked beans in sauce. | 7 2 5 | |
| Heart Health | Mixed findings | Cholesterol: Pooled trials of beans, chickpeas, lentils and peas together found LDL ('bad') cholesterol a little lower. The one trial that tested canned baked beans on their own, in 20 men in 1990, found no change in cholesterol. So the pulse result may not carry over to baked beans in sauce. Lycopene from the tomato sauce: The British Heart Foundation says the tomato sauce in baked beans is rich in lycopene, an antioxidant linked to a lower risk of heart and circulatory disease. We found no trial of baked beans that measured this, so we cannot say the sauce gives a heart benefit. | 7 2 5 16 | |
| Blood Sugar Balance | Low certainty | Blood sugar: Pooled trials of beans and other pulses found lower fasting blood sugar and long-term sugar markers, but the trials differed a lot and a 2020 review rated the evidence very low. No trial of baked beans for blood sugar was found, and the sauce adds sugar. | 11 3 16 | |
| Weight Management | Low certainty | Body weight: Pooled trials found diets with beans and other pulses gave a very small extra weight loss, about 0.34 kg over about 6 weeks. No trial of baked beans for weight was found. | 9 | |
| Blood Pressure Support | Low certainty | Blood pressure (legumes, observational): In long-term studies, people who ate the most legumes had about 16% lower risk of developing high blood pressure than those who ate the least (RR 0.84). This is an association, not proof, and it is about legumes as a group. Sodium in a salty sauce works in the other direction (see Safety). | 10 12 | |
| Heart Health | Low certainty | Blood pressure (legumes, observational): In long-term studies, people who ate the most legumes had about 16% lower risk of developing high blood pressure than those who ate the least (RR 0.84). This is an association, not proof, and it is about legumes as a group. Sodium in a salty sauce works in the other direction (see Safety). Heart disease and early death (legumes, observational): Higher legume intake was linked to a little less cardiovascular disease and a little lower risk of death from any cause (HR 0.94). These are observational results for legumes as a group, not baked beans. | 10 12 15 | |
| Healthy Aging | Low certainty | Heart disease and early death (legumes, observational): Higher legume intake was linked to a little less cardiovascular disease and a little lower risk of death from any cause (HR 0.94). These are observational results for legumes as a group, not baked beans. | 12 15 |
B. Body systems
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| Digestive System | Biological association | High certainty | Studied for: Fibre, protein, iron and other minerals | 30 31 16 28 5 |
| Cardiovascular System | Biological association | Mixed findings | Studied for: Cholesterol Studied for: Counts towards 5 A DAY | 7 2 5 16 24 10 12 15 |
| Endocrine System | Biological association | Low certainty | Studied for: Blood sugar | 11 3 16 |
| Metabolism Weight | Biological association | Low certainty | Studied for: Body weight | 9 |
C. Body parts and organs
E. Health conditions
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| Food poisoning from raw beans | Adverse effect or risk | Documented risk | Home recipes from dried beans must boil properly; canned baked beans are already cooked. Raw or undercooked dried beans can cause severe vomiting and diarrhea; soaking and boiling removes the toxin. Preparation or compound: Raw or undercooked dried beans (lectin PHA) |
18 20 13 |
| High blood pressure | Adverse effect or risk | Documented risk | High sodium raises blood pressure; canned baked beans have about 1,075 mg in a cup. Many canned versions are high in sodium, which raises blood pressure. Preparation or compound: Sodium in the sauce |
31 32 8 |
| Food allergy | Adverse effect or risk | Documented risk | Beans and other legumes can cause allergic reactions, with cross-reactions between legumes. Preparation or compound: Bean proteins |
1 21 |
I. Biomarkers
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| LDL cholesterol | Biological association | Mixed findings | Measured in trials: mixed. A lab change is not the same as a health benefit. | 7 2 5 |
| HDL cholesterol and triglycerides | Biological association | Mixed findings | Measured in trials: mixed. A lab change is not the same as a health benefit. | 5 2 |
| Fasting blood glucose | Biological association | Low certainty | Measured in trials: lowered. A lab change is not the same as a health benefit. | 11 3 |
| HbA1c and fructosamine | Biological association | Low certainty | Measured in trials: lowered. A lab change is not the same as a health benefit. | 11 3 |
| Body weight | Biological association | Low certainty | Measured in trials: lowered. A lab change is not the same as a health benefit. | 9 |
| Risk of developing high blood pressure | Biological association | Low certainty | Measured in trials: lowered. A lab change is not the same as a health benefit. | 10 12 |
| Cardiovascular disease incidence | Biological association | Low certainty | Measured in trials: lowered. A lab change is not the same as a health benefit. | 12 |
| Death from any cause | Biological association | Low certainty | Measured in trials: lowered. A lab change is not the same as a health benefit. | 15 |
K. Biological pathways
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| Fibre | Preliminary mechanism | Human | Baked beans are a fibre food; bean fibre is linked to lower cholesterol and a slower blood sugar rise. | 28 31 16 |
| Sodium | Preliminary mechanism | Human | The sauce brings sodium, which is linked to higher blood pressure. | 31 32 8 |
| Added sugars | Preliminary mechanism | Human | Most sugar in baked beans is added, mainly in the sauce (BHF). | 16 33 |
L. Active compounds
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| Dietary fibre | Biological association | Human | The BHF says soluble fibre helps lower cholesterol and insoluble fibre keeps the digestive system healthy. The National Kidney Foundation says bean fibre helps you stay full, slows how quickly blood sugar rises and feeds gut bacteria. Preparation or compound: Bean |
31 30 16 28 |
| Lycopene | Biological association | Unknown | The BHF calls the lycopene in the tomato sauce a protective antioxidant linked with lower heart and circulatory disease risk. No baked bean study was found. Preparation or compound: Tomato sauce |
16 29 |
| Salt (sodium) | Biological association | Human | High sodium raises blood pressure and the risk of cardiovascular disease (WHO). Preparation or compound: Added to the sauce |
31 30 16 32 |
| Sugars (mostly added) | Biological association | Human | The BHF says most of the sugar in baked beans is added, because beans do not naturally contain much. WHO sets limits on free sugars across the whole diet. Preparation or compound: Added to the sauce |
31 16 33 |
| Phytohaemagglutinin (a lectin) | Biological association | Human | At high levels in raw or undercooked beans it can cause nausea, severe vomiting and diarrhea (FDA). Proper boiling destroys it; canned and properly cooked beans have low levels. Preparation or compound: Raw dried bean |
18 20 13 |
Each connection is stored with the ingredient, the connected record, the kind of connection, the evidence status, the supporting studies, the preparation or compound involved, and a review date (last reviewed October 26, 2026).
The evidence
The research centre for Baked Beans. Every record here was checked against PubMed or the publisher's page; we never list a study we have not verified.
Evidence by outcome
Bars show how many studies we found for each outcome, not how well it works. People are added up across trials only (reviews are not added, to avoid double counting).
How we rate evidence
High certainty
Several well-run trials or reviews agree; further research is unlikely to change the picture much.
Moderate certainty
Good trials point the same way, but some doubt remains.
Low certainty
Small, short or inconsistent trials. The finding could change with better research.
Very low certainty
Very little or very weak human data. Treat as a possibility only.
Mixed findings
Trials or reviews disagree with each other.
Not enough evidence
Not enough human research to say either way.
Evidence against
Good research found no benefit, or found harm.
We take the reviewers' own risk-of-bias and GRADE statements where they exist, and otherwise judge from study size, design, consistency, directness and whether a product matches what is sold. Many publications do not make evidence high. Method note: We started from our existing baked beans summary, re-checked nutrition against saved USDA FoodData Central values, read the British Heart Foundation, FDA, WHO, NHS, National Kidney Foundation, NIDDK, MedlinePlus and Harvard pages, and searched PubMed for reviews, trials and safety reports. Only abstracts were read for studies. Items we could not verify are flagged in the research gaps.
Study library: every study we checked 33
| Study | Design | People | Product, dose, length | Result |
|---|---|---|---|---|
| Abu Risha 2024 Legume Allergens Pea, Chickpea, Lentil, Lupine and Beyond. Current Allergy and Asthma Reports · PMID 38990406 · DOI |
Narrative review |
Review of legume allergens | Not applicable Legumes (beans, pea, lentil, chickpea, lupine and others) |
Beans, pea, lentils, chickpea, lupine and other legumes can cause mild to severe allergic reactions. Severe reactions are described particularly for peas and lupine. Most reactions come from IgE cross-reactions between similar proteins, for example peanut and lupine. Most studies are case reports. Not applicable (Not applicable) Methods, limits and fundingOutcomes: Allergic reactions to non-priority legumes Limitations: Narrative review. Baked beans in sauce are not named; most evidence is case reports. Funding and conflicts: Funding is not stated in the abstract. Read: abstract |
| Back 2026 Effect of Different Types of Whole Dietary Pulses on Established Therapeutic Lipid Targets for Cardiovascular Risk Reduction: An Updated Systematic Review and Dose-Response Meta-Analysis of Randomized Controlled Trials. Journal of the American Heart Association · PMID 42132198 · DOI |
Systematic review meta analysis |
2095 38 trials (52 comparisons), 2,095 adults |
Whole dietary pulses (beans, chickpeas, lentils, dried peas) Pulses as food Median 130 g a day Median 6 weeks, trials of at least 3 weeks · vs Control diets |
Whole pulses lowered LDL by 0.14 mmol/L, non-HDL by 0.22, apoB by 0.08 g/L and HDL by 0.03. Results were similar across pulse types, with a straight-line fall for beans up to 1 cup a day. GRADE certainty was moderate to high for all outcomes except apoB (very low). LDL -0.14 mmol/L; non-HDL -0.22 mmol/L; apoB -0.08 g/L; HDL -0.03 mmol/L (LDL 95% CI -0.19 to -0.08; non-HDL -0.30 to -0.14; apoB -0.13 to -0.03; HDL -0.05 to -0.01) Methods, limits and fundingOutcomes: LDL cholesterol (primary), non-HDL, apoB, HDL and other lipids Limitations: Whole pulses as a group. Baked beans in sauce were not analysed separately in the abstract. Funding and conflicts: Funding is not stated in the abstract. PubMed lists non-U.S. government research support. Registration: PROSPERO CRD42023432826 Read: abstract |
| Bielefeld 2020 The Effects of Legume Consumption on Markers of Glycaemic Control in Individuals with and without Diabetes Mellitus: A Systematic Literature Review of Randomised Controlled Trials. Nutrients · PMID 32708949 · DOI |
Systematic review |
18 randomised trials of at least 6 weeks (5 in type 2 diabetes, 12 without diabetes, 1 in prediabetes) | Legumes Legumes as food Not given in the abstract At least 6 weeks · vs Control diets |
Only the studies in type 2 diabetes reported significant effects (lower fasting glucose in three, lower HbA1c in two, one each for insulin and 2-hour glucose). The authors rated the overall quality of evidence very low. Effects only in type 2 diabetes studies; no pooled figure in the abstract (Not given) Methods, limits and fundingOutcomes: Fasting glucose and insulin, HbA1c, HOMA-IR, 2-hour post-meal glucose Limitations: Review without pooled numbers in the abstract. Legumes as a group. Funding and conflicts: Funding is not stated in the abstract. Read: abstract |
| Cao 2011 Concentrations of bisphenol A in the composite food samples from the 2008 Canadian total diet study in Quebec City and dietary intake estimates. Food Additives & Contaminants: Part A · PMID 21623504 · DOI |
Food survey |
154 154 composite food samples, Quebec City, 2008 Canadian total diet study |
Laboratory measurement of bisphenol A (BPA) in food Canned and other foods |
BPA was found in 36 percent of samples, mostly composites containing canned foods. Canned baked beans had 23.5 ng per g. Estimated adult intakes were 0.052 to 0.081 microgram per kg body weight a day, which the authors describe as well below the established regulatory limits. Intake from non-canned foods was low. Canned baked beans 23.5 ng/g (Not applicable) Methods, limits and fundingOutcomes: BPA concentration in foods and estimated dietary intake Limitations: One city, one year (2008), composite samples (pooled brands). Not a health outcome. Can linings may have changed since. Funding and conflicts: Not stated in the abstract. Read: abstract |
| Cobiac 1990 Can eating baked beans lower plasma cholesterol? European Journal of Clinical Nutrition · PMID 1964898 |
Controlled trial |
20 20 mildly hypercholesterolaemic men |
Canned baked beans compared with canned spaghetti Cooked beans in sauce (canned) Average six 440 g cans a week Duration not given in the abstract · vs Canned spaghetti (cross-over) |
A difference of 12 g a day of non-starch polysaccharide (6.6 g of it soluble) between the baked bean and spaghetti diets did not change plasma cholesterol, HDL cholesterol, triglyceride or glucose. The authors conclude that six 440 g cans a week, large servings, does not lower plasma cholesterol when dietary fat is not displaced. No change in the markers measured (Not given in the abstract) Methods, limits and fundingOutcomes: Plasma total cholesterol, HDL cholesterol, triglyceride and glucose Limitations: Men only, 20 people, 1990. Cross-over against canned spaghetti, not against a bean-free usual diet. Full text not read. Funding and conflicts: Not stated in the abstract; PubMed lists non-U.S. government research support. Read: abstract |
| Gardiner 1997 The effect of different concentrations of sugars in two foods (yoghurts and baked beans) on plaque pH. International Dental Journal · PMID 9448797 · DOI |
Uncontrolled intervention |
6 6 volunteers selected under the 1985 San Antonio guidelines |
Six yoghurts and four varieties of baked beans, with 10 percent sucrose and sorbitol as positive and negative controls Food (canned baked beans) One-minute consumption or rinse Plaque sampled up to 30 minutes · vs Sucrose and sorbitol solutions |
An Acidogenic Potential Index was worked out for each food. The abstract says the results did not suggest a straight-line link between how much sugar a food contained and how acid-forming it was. It does not report the baked bean figures. No simple link between sugar content and acid-forming potential (Not given) Methods, limits and fundingOutcomes: Plaque pH after eating (minimum pH, biggest drop, area under the curve below pH 6.5) Limitations: Six people, 1997, UK products of that time. Only a short measure of plaque acidity, not tooth decay. Abstract gives no baked bean numbers. Funding and conflicts: Not stated; PubMed lists non-U.S. government research support. Read: abstract |
| Ha 2014 Effect of dietary pulse intake on established therapeutic lipid targets for cardiovascular risk reduction: a systematic review and meta-analysis of randomized controlled trials. CMAJ · PMID 24710915 · DOI |
Systematic review meta analysis |
1037 26 randomised trials, 1,037 adults |
Diets emphasising dietary pulses (beans, chickpeas, lentils, peas) Pulses as food Median 130 g a day (about 1 serving) At least 3 weeks · vs Isocaloric diets without pulses |
Pulse diets lowered LDL cholesterol by 0.17 mmol/L. Effects on apolipoprotein B and non-HDL cholesterol were not seen. The authors call for longer, higher-quality trials. LDL mean difference -0.17 mmol/L (95% CI -0.25 to -0.09) Methods, limits and fundingOutcomes: LDL cholesterol, apolipoprotein B, non-HDL cholesterol Limitations: Pulses as a group, not baked beans in sauce. Short trials. Funding and conflicts: Funding is not stated in the abstract. PubMed lists non-U.S. government research support. Registration: NCT01594567 Read: abstract |
| Huang 2020 Effect of dose and duration of reduction in dietary sodium on blood pressure levels: systematic review and meta-analysis of randomised trials. BMJ · PMID 32094151 · DOI |
Systematic review meta analysis |
12197 133 randomised trials, 12,197 adults |
Reduced versus usual dietary sodium Dietary sodium Each 50 mmol (about 1,150 mg) fall in 24-hour urinary sodium Short and longer trials · vs Usual sodium intake |
Cutting sodium lowered systolic pressure by 4.26 mm Hg and diastolic by 2.07 mm Hg on average. Each 50 mmol fall in 24-hour sodium was linked to a 1.10 mm Hg fall in systolic pressure. Falls were seen in people with and without high blood pressure and were greater in older people and those with higher starting pressure. SBP -4.26 mm Hg; DBP -2.07 mm Hg (SBP 95% CI -4.89 to -3.62; DBP -2.48 to -1.67) Methods, limits and fundingOutcomes: Systolic and diastolic blood pressure Limitations: About sodium in general, not baked beans. The 1,150 mg figure is our conversion (1 mmol sodium is about 23 mg). Funding and conflicts: Funding is not stated in the abstract. Registration: PROSPERO CRD42019140812 Read: abstract |
| Kim 2016 Effects of dietary pulse consumption on body weight: a systematic review and meta-analysis of randomized controlled trials. American Journal of Clinical Nutrition · PMID 27030531 · DOI |
Systematic review meta analysis |
940 21 randomised trials, 940 participants |
Diets containing whole dietary pulses Pulses as food Median 132 g a day (about 1 serving) Median 6 weeks, at least 3 weeks · vs Diets without pulses |
Pulse diets gave a weight reduction of 0.34 kg. This held in weight-loss diets and in weight-maintaining diets. Six trials suggested pulses may reduce body fat percentage. Body weight -0.34 kg (95% CI -0.63 to -0.04 kg) Methods, limits and fundingOutcomes: Body weight, waist circumference, body fat Limitations: Very small effect over about 6 weeks. Pulses as a group. Funding and conflicts: Funding is not stated in the abstract. Registration: NCT01594567 Read: abstract |
| Metoudi 2026 Legume and soy consumption and the risk of hypertension: a systematic review and dose-response meta-analysis of prospective studies. BMJ Nutrition, Prevention & Health · PMID 42539997 · DOI |
Systematic review meta analysis |
309853 12 prospective studies; 10 studies (309,853 people, 86,098 cases) for legumes |
High versus low legume intake Legumes as food Per 100 g a day in the dose-response analysis Cohort follow-up · vs Low intake |
High versus low legume intake RR 0.84 for hypertension (heterogeneity I2 65 percent); per 100 g a day RR 0.88. Egger's test hinted at publication bias, which the authors say was explained by two outlying studies. Authors judged causality probable by WCRF criteria. RR 0.84 (high vs low); RR 0.88 per 100 g a day (RR 0.84, 95% CI 0.77 to 0.93; per 100 g 0.80 to 0.97) Methods, limits and fundingOutcomes: Risk of hypertension Limitations: Observational. Legumes as a group, not baked beans; sodium in a sauce is not accounted for. Funding and conflicts: Funding is not stated in the abstract. Read: abstract |
| Sievenpiper 2009 Effect of non-oil-seed pulses on glycaemic control: a systematic review and meta-analysis of randomised controlled experimental trials in people with and without diabetes. Diabetologia · PMID 19526214 · DOI |
Systematic review meta analysis |
41 randomised trials in people with and without diabetes | Pulses (chickpeas, beans, peas, lentils), alone or in low-glycaemic-index or high-fibre diets Pulses as food Not given in the abstract At least 7 days · vs Control diets |
Pulses alone (11 trials) lowered fasting glucose and insulin. Pulses in low-GI diets (19 trials) lowered HbA1c or fructosamine. Pulses in high-fibre diets (11 trials) lowered fasting glucose and glycosylated proteins. Heterogeneity was high and mostly unexplained. Standardised mean differences: fasting glucose -0.82 (pulses alone); glycosylated proteins -0.28 (low-GI diets) (Fasting glucose -0.82 (95% CI -1.36 to -0.27); insulin -0.49 (-0.93 to -0.04); glycosylated proteins -0.28 (-0.42 to -0.14)) Methods, limits and fundingOutcomes: Fasting glucose, insulin, glycosylated blood proteins (HbA1c or fructosamine) Limitations: Pulses as a group, not baked beans in sauce. High unexplained heterogeneity. 2009. Funding and conflicts: Funding is not stated in the abstract. PubMed lists non-U.S. government research support. Read: abstract |
| Viguiliouk 2019 Associations between Dietary Pulses Alone or with Other Legumes and Cardiometabolic Disease Outcomes: An Umbrella Review and Updated Systematic Review and Meta-analysis of Prospective Cohort Studies. Advances in Nutrition · PMID 31728500 · DOI |
Systematic review meta analysis |
28 prospective cohort studies | Highest versus lowest intake of dietary pulses with or without other legumes Pulses and legumes as food Cohort follow-up · vs Lowest intake |
Higher intake was linked to lower incidence of cardiovascular disease (RR 0.92), coronary heart disease (0.90), hypertension (0.91) and obesity (0.87). No link to heart attack, stroke or diabetes incidence, or to cardiovascular, coronary or stroke death. Certainty was low for cardiovascular disease and very low for all the other outcomes. RR: CVD 0.92; CHD 0.90; hypertension 0.91; obesity 0.87 (CVD 0.85 to 0.99; CHD 0.83 to 0.99; hypertension 0.86 to 0.97; obesity 0.81 to 0.94) Methods, limits and fundingOutcomes: Incidence and mortality of cardiovascular disease, coronary heart disease, stroke, diabetes, hypertension, obesity Limitations: Observational; cannot prove cause. Pulses and legumes, not baked beans. Funding and conflicts: Funding is not stated in the abstract. PubMed lists non-U.S. government research support. Registration: NCT03555734 Read: abstract |
| Watier-Grillot 2023 From Foodborne Disease Outbreak (FBDO) to Investigation: The Plant Toxin Trap, Brittany, France, 2018. Toxins · PMID 37505726 · DOI |
Outbreak investigation |
1700 200 ill among about 1,700 diners at a military dining facility |
Chili con carne made with undercooked raw kidney beans Raw kidney beans Single meal, 5 July 2018 · vs Controls in a case-control survey (92 cases, 113 controls) |
200 of 1,700 diners fell ill (12 percent), median 3.3 hours after lunch. Chili con carne was the likely source. The plant lectin phytohaemagglutinin was above the potentially toxic level, and the raw kidney beans were undercooked with very high haemagglutination activity. Attack rate 12 percent (Not applicable) Methods, limits and fundingOutcomes: Cause of an outbreak of gastroenteritis Limitations: Kidney beans in chili, not baked beans. Shows what undercooking can do. Funding and conflicts: Funding is not stated in the abstract. Read: abstract |
| Winham 2011 Perceptions of flatulence from bean consumption among adults in 3 feeding studies. Nutrition Journal · PMID 22104320 · DOI |
Controlled trial |
17 + 29 + 80 across three studies Adults in three feeding studies; the baked bean study had 29 adults |
Pinto beans, black-eyed peas or baked beans (baked beans in Study 2) Cooked beans Half a cup a day 8 weeks per phase (Studies 1 and 2); 12 weeks (Study 3) · vs Canned carrots or a control soup |
Fewer than 50 percent reported increased flatulence from eating pinto or baked beans in the first week of each trial; 19 percent with black-eyed peas. A small share (3 to 11 percent) reported more flatulence across the three studies even on control diets. The authors conclude concerns about excessive flatulence from beans may be exaggerated. Under 50 percent reported more gas in week 1 with baked beans (Not applicable) Methods, limits and fundingOutcomes: Weekly questionnaire: perceived flatulence, stool changes, bloating Limitations: Self-reported symptoms. The abstract does not describe the baked bean product or its sauce. Cholesterol results of these trials are not in this abstract. Funding and conflicts: Not stated in the abstract. Read: abstract |
| Zargarzadeh 2023 Legume Consumption and Risk of All-Cause and Cause-Specific Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Studies. Advances in Nutrition · PMID 36811595 · DOI |
Systematic review meta analysis |
1141793 32 cohorts, 1,141,793 people, 93,373 deaths |
Higher versus lower legume intake Legumes as food Per 50 g a day in the dose-response analysis Cohort follow-up · vs Lower intake |
Higher intake was linked to lower all-cause mortality (HR 0.94) and stroke mortality (HR 0.91), but not to cardiovascular, coronary heart disease or cancer mortality. Per 50 g a day: HR 0.94 for all-cause death. Certainty low to moderate. HR 0.94 all-cause; 0.91 stroke (All-cause 0.91 to 0.98; stroke 0.84 to 0.99; per 50 g a day 0.89 to 0.99) Methods, limits and fundingOutcomes: Death from all causes and from specific causes Limitations: Observational. Legumes as a group; people eating more legumes may differ in other ways. Funding and conflicts: Funding is not stated in the abstract. PubMed lists non-U.S. government research support. Read: abstract |
| s-bhf-baked-beans British Heart Foundation: Are baked beans good for you? (Dell Stanford, dietitian) · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-fda-daily-value FDA: Daily Value on the Nutrition and Supplement Facts Labels · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-fda-natural-toxins FDA: Natural Toxins in Food · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-gbif-phaseolus-vulgaris GBIF species match: Phaseolus vulgaris · Source |
Reference database n/a |
Methods, limits and fundingRead: full-text | ||
| s-harvard-lectins Harvard T.H. Chan School of Public Health, The Nutrition Source: Lectins · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-medlineplus-foodallergy MedlinePlus: Food allergy · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-medlineplus-potassium MedlinePlus: Potassium in diet · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-medlineplus-vitk MedlinePlus: Vitamin K in diet · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-nhs-5aday NHS: 5 A DAY, what counts? · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-nhs-babies NHS: Foods to avoid giving babies and young children · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-nhs-warfarin NHS: Warfarin · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-niddk-gas NIDDK: Eating, Diet, & Nutrition for Gas in the Digestive Tract · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-nkf-beans National Kidney Foundation: Beans · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-pubchem-lycopene PubChem: Lycopene (CID 446925) · Source |
Reference database n/a |
Methods, limits and fundingRead: full-text | ||
| s-usda-fdc-173731 USDA FoodData Central: Beans, baked, home prepared (FDC 173731) · Source |
Reference database n/a |
Methods, limits and fundingRead: full-text | ||
| s-usda-fdc-173733 USDA FoodData Central: Beans, baked, canned, with pork and tomato sauce (FDC 173733) · Source |
Reference database n/a |
Methods, limits and fundingRead: full-text | ||
| s-who-sodium WHO: Sodium reduction (fact sheet) · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text | ||
| s-who-sugars WHO: Guideline on sugars intake for adults and children (news release, 4 March 2015) · Source |
Health agency n/a |
Methods, limits and fundingRead: full-text |
What we do not know yet
- Only one trial of canned baked beans on cholesterol was found (1990, 20 men, no change); no baked bean trial of blood sugar, weight or blood pressure was found.
- The pooled trials and cohorts mix beans, lentils, chickpeas, peas and other legumes; a baked-bean-only figure was not in the abstracts read.
- How common bean allergy is, FODMAP rating, oxalate value, choking risk for young children, pesticide residues, heavy metals and today's can-lining BPA levels were not researched.
- Sodium, sugar and lycopene differ by brand and country; USDA and BHF values are examples, not averages.
How new research is added
New studies are found by a saved PubMed search and placed in a review queue before the page changes.
Lab markers
What changed in blood or saliva tests during trials. A changed number is not the same as feeling or being healthier, and we give no "normal ranges".
Metabolic 2
LDL cholesterol
Mixed results in trials
The 'bad' cholesterol carried in the blood. Higher levels are linked to more heart disease.
Mixed findingsResults and what it means
Why it was measured
It is the usual blood marker used in diet trials for heart risk.
Statistical vs. clinical meaning
A small fall in a blood marker from pulses as a group. It does not show fewer heart attacks, and the only baked bean trial read found no change.
Safety implication
None specific.
| Study | Result | People | Product |
|---|---|---|---|
| 7 | LDL mean difference -0.17 mmol/L (95% CI -0.25 to -0.09); no effect on apoB or non-HDL | 1,037 adults in 26 trials | Diets emphasising pulses, median 130 g a day, at least 3 weeks |
| 2 | LDL -0.14 mmol/L (95% CI -0.19 to -0.08); non-HDL -0.22; apoB -0.08 g/L | 2,095 adults in 38 trials | Whole pulses, median 130 g a day, median 6 weeks |
| 5 | No change in plasma total cholesterol; the abstract does not give an LDL figure | 20 mildly hypercholesterolaemic men | Canned baked beans compared with canned spaghetti (cross-over) |
Body weight
Lowered in trials
Weight in kilograms.
Low certaintyResults and what it means
Why it was measured
It is the plain outcome in weight trials.
Statistical vs. clinical meaning
A very small difference over about 6 weeks.
Safety implication
None specific.
| Study | Result | People | Product |
|---|---|---|---|
| 9 | -0.34 kg (95% CI -0.63 to -0.04); six trials hinted at lower body fat percentage | 940 adults in 21 trials | Diets with whole pulses, median 132 g a day, median 6 weeks |
Other 6
HDL cholesterol and triglycerides
Mixed results in trials
HDL is the 'good' cholesterol. Triglycerides are fats in the blood.
Mixed findingsResults and what it means
Why it was measured
They are checked in blood tests for heart risk.
Statistical vs. clinical meaning
No benefit shown for HDL or triglycerides. The 2026 review calls the HDL fall trivial.
Safety implication
None specific.
Fasting blood glucose
Lowered in trials
Blood sugar after not eating overnight.
Low certaintyResults and what it means
Why it was measured
A basic marker of blood sugar control.
Statistical vs. clinical meaning
A possible small fall for pulses as a group, with weak evidence.
Safety implication
Tell your clinic about big diet changes if you take diabetes medicines.
| Study | Result | People | Product |
|---|---|---|---|
| 11 | Pulses alone: SMD -0.82 (95% CI -1.36 to -0.27); high-fibre diets with pulses: -0.32 (-0.49 to -0.15); high unexplained heterogeneity | 41 trials, people with and without diabetes | Pulses alone or in low-GI or high-fibre diets |
| 3 | Lower fasting glucose in three trials in type 2 diabetes; no significant effects in the other studies; overall quality very low | 18 trials of at least 6 weeks | Legumes |
HbA1c and fructosamine
Lowered in trials
Markers of average blood sugar over the past weeks.
Low certaintyResults and what it means
Why it was measured
They show longer-term blood sugar control.
Statistical vs. clinical meaning
A possible small fall for pulses as a group, in diets built around low-GI food.
Safety implication
None specific.
Risk of developing high blood pressure
Lowered in trials
How often people in a study went on to develop high blood pressure.
Low certaintyResults and what it means
Why it was measured
It shows long-term links between diet and blood pressure.
Statistical vs. clinical meaning
An association, not proof.
Safety implication
None specific.
| Study | Result | People | Product |
|---|---|---|---|
| 10 | RR 0.84 (95% CI 0.77 to 0.93) high vs low legumes; RR 0.88 per 100 g a day | 309,853 people in 10 studies | Legume intake (observational) |
| 12 | RR 0.91 (95% CI 0.86 to 0.97), very low certainty | Cohort studies with 83,284 hypertension cases | Pulses with or without other legumes (observational) |
Cardiovascular disease incidence
Lowered in trials
How often people in a study went on to develop heart or circulatory disease.
Low certaintyResults and what it means
Why it was measured
It is a real health outcome rather than a blood marker.
Statistical vs. clinical meaning
A small association, not proof.
Safety implication
None specific.
| Study | Result | People | Product |
|---|---|---|---|
| 12 | CVD RR 0.92 (0.85 to 0.99); CHD RR 0.90 (0.83 to 0.99); no link to heart attack or stroke; low certainty for CVD, very low for the rest | 28 prospective cohort studies | Pulses with or without other legumes (observational) |
Death from any cause
Lowered in trials
How often people in a study died during follow-up.
Low certaintyResults and what it means
Why it was measured
It is the broadest health outcome.
Statistical vs. clinical meaning
An association, not proof.
Safety implication
None specific.
| Study | Result | People | Product |
|---|---|---|---|
| 15 | HR 0.94 (95% CI 0.91 to 0.98) high vs low; HR 0.94 (0.89 to 0.99) per 50 g a day; stroke death HR 0.91; no link to cardiovascular, coronary or cancer death | 1,141,793 people in 32 cohorts, 93,373 deaths | Legume intake (observational) |
Safety
What studies and official sources say about side effects, medicines and who should check first. Each point shows what kind of evidence it comes from.
Main points to know 4
- Dried beans must be boiled properly, even for home-made 'baked' beans. Canned baked beans are already cooked. The FDA says canned and properly cooked beans have only low levels of the lectin PHA, which in raw or undercooked beans can cause nausea, severe vomiting and diarrhea. The FDA says soaking dried beans for at least 5 hours and then boiling them in fresh water for at least 30 minutes removes and destroys it. Harvard says low heat, for example in a slow cooker, or undercooking does not remove all lectins, so a home recipe that bakes soaked beans slowly without boiling first is the risk. The FDA page names kidney beans, not the beans used in baked beans, so we apply it by the same logic and say so. In a 2018 outbreak in France, 200 of about 1,700 diners fell ill after chili con carne made with undercooked raw kidney beans. Authoritative guidance 18 20 13
- Sodium and added sugar in the sauce. By USDA data, canned baked beans with pork and tomato sauce have 437 mg of sodium per 100 g, about 1,075 mg in a cup (246 g), which is 47% of the FDA Daily Value of 2,300 mg and more than half of the 2,000 mg a day that WHO recommends adults stay under. The British Heart Foundation says half a UK can (207 g) has about 1.3 g of salt (21% of its 6 g daily maximum) and about 9 g of sugar, most of it added, and that most canned baked beans are ultra-processed with added sugars and salt. A reduced-sugar, reduced-salt version in the BHF table had 0.9 g of salt and 3.9 g of sugar. WHO says high sodium raises blood pressure and the risk of cardiovascular disease. Home-prepared baked beans (USDA) also have about 1,070 mg of sodium in a cup, so a home recipe is not automatically low in salt. Authoritative guidance 31 30 16 17 32 8
- Gas and bloating can happen. NIDDK lists beans, peas and lentils among foods that can cause gas, because some of their carbohydrates reach the large intestine and gut bacteria break them down. In three feeding studies of half a cup a day of pinto beans, black-eyed peas or baked beans, fewer than half of people reported more flatulence from pinto or baked beans in the first week. A small share (3 to 11 percent) reported more even on control diets. The authors say worry about flatulence may be exaggerated. Harvard says people with a sensitive gut such as irritable bowel syndrome may react more strongly to lectin-rich foods. Controlled trial 14 27 20
- Allergy: beans, and other ingredients in some products. Beans and other legumes can cause allergic reactions from mild to severe, with cross-reactions between legumes such as peanut and lupine. Most of the evidence is case reports, and baked beans in sauce are not named. Some products also add cheese or sausages (BHF's table lists cheesy beans, pork sausages and vegan sausages), so read the label for other allergens. For trouble breathing or swelling of the face or throat, call emergency services. Narrative review 1 21 16
Side effects 5
| Effect | How often | Severity and recovery | Evidence |
|---|---|---|---|
| Nausea, severe vomiting and diarrhea from raw or undercooked dried beans (lectin poisoning) Kidney beans, not baked beans. Canned baked beans are already cooked; the risk is in home recipes made from dried beans that are not boiled properly. | In the 2018 French outbreak with undercooked raw kidney beans: 200 ill among about 1,700 diners (12%); median onset 3.3 hours after the meal | can be severe (FDA: severe vomiting) Not stated in the sources read | Authoritative guidance 18 13 |
| Gas, bloating and flatulence Self-reported. The baked bean study had 29 adults eating half a cup a day for 8 weeks against canned carrots. | Fewer than half reported more flatulence from pinto or baked beans in week 1 of feeding trials; 3% to 11% reported more even on control diets | mild to moderate Not stated in the abstract | Controlled trial 14 27 |
| Higher salt intake, which raises blood pressure The blood pressure trials are about sodium in general. How much baked beans add depends on how much and how often you eat them and on the rest of your diet. | Canned baked beans with pork and tomato sauce: about 1,075 mg sodium in a cup (USDA). Across 133 trials, cutting sodium lowered systolic pressure by 4.26 mm Hg on average | A gradual health risk, not an immediate reaction Not applicable | Authoritative guidance 31 32 8 |
| Added sugar and teeth A 1997 six-person test of plaque acidity after four varieties of baked beans found no straight-line link between sugar content and acid-forming potential; the abstract gives no baked bean figures. WHO's sugar limits are about free sugars in the whole diet. | Not found for baked beans | Not established Not applicable | Controlled trial 6 33 |
| Allergic reactions to beans, from mild to severe Baked beans are not named; cross-reaction with peanut and other legumes is described. | Not found; the review is based largely on case reports | mild to severe Not stated in the abstract | Narrative review 1 |
Liver
No liver injury from eating baked beans was found. A liver-safety source (such as LiverTox) was not searched for this food page.
How often. No frequency was found.
Monitoring. No agency monitoring advice was found.
This is a safety connection. It is not evidence that Baked Beans supports liver health.
Medicines and supplements 3
| With | Why it matters | Importance | Evidence | What to do |
|---|---|---|---|---|
| Warfarin (blood thinner) prescription | Vitamin K helps blood clot, and warfarin works against vitamin K. Canned baked beans with tomato sauce contain very little vitamin K: 0.5 micrograms per 100 g, about 1.2 micrograms in a cup (USDA). | The NHS says foods high in vitamin K such as broccoli, spinach and other green leafy vegetables can affect warfarin, and it does not name beans. MedlinePlus says sudden changes in vitamin K intake can change how the medicine works. No study of baked beans and warfarin was read. | Authoritative guidance Low certainty 26 23 31 | Keep your diet steady and follow your warfarin clinic's advice. Do not change your medicine on your own. |
| Medicines or conditions that raise blood potassium (for example kidney disease, ACE inhibitors, ARBs, potassium-sparing diuretics) prescription | MedlinePlus says people with kidney problems, particularly on dialysis, should not eat too many potassium-rich foods, and lists ACE inhibitors, ARBs and potassium-sparing diuretics among causes of high blood potassium. A cup of canned baked beans has about 726 mg of potassium (USDA). | The National Kidney Foundation says most people with chronic kidney disease not on dialysis do not have to limit beans for potassium or phosphorus, but its page is about plain beans, not beans in a salty sauce. The link to specific medicines is our reading of separate facts; neither page names baked beans. | Authoritative guidance Low certainty 22 28 31 | If you have kidney disease or take a medicine that raises potassium, ask a clinician, pharmacist or kidney dietitian about baked beans, and check the sodium on the label. |
| Diabetes medicines (including insulin) prescription | Pooled trials of pulses found lower fasting glucose and HbA1c in some analyses, while the sauce adds sugar (USDA lists 5.67 g of total sugars per 100 g in the canned item). | No source read states an interaction between baked beans and any diabetes medicine; this is a theoretical point only. | Theoretical Not enough evidence 11 3 31 | If you take diabetes medicines, ask your clinic or dietitian how a sweetened canned food fits your plan. |
Who should check first 8
| Situation | Advice | Evidence |
|---|---|---|
| Home recipes made from raw or only slow-cooked dried beans | Do not bake or slow-cook dried beans without boiling them first. Follow the FDA steps: soak at least 5 hours, then boil in fresh water for at least 30 minutes. Low heat in a slow cooker does not remove all lectins (Harvard). | Authoritative guidance 18 20 |
| Known or suspected bean, peanut or other legume allergy, or allergy to an ingredient in a flavoured variety | Ask an allergist before trying baked beans, and read the label. For trouble breathing or swelling of the face or throat, call emergency services. | Narrative review 1 21 16 |
| Advice to limit sodium (for example high blood pressure or kidney disease) | Check the label and consider reduced-salt versions, as the BHF suggests; ask your clinician or dietitian what is right for you. WHO links high sodium to higher blood pressure and kidney disease. | Authoritative guidance 16 32 31 |
| Dialysis, or a history of calcium oxalate kidney stones | Plan bean intake with a kidney dietitian or doctor. The National Kidney Foundation says many beans are high in oxalates and dialysis needs a plan; its page does not cover baked beans in sauce. | Authoritative guidance 28 |
| Taking warfarin | Baked beans are very low in vitamin K (USDA), but keep your diet steady and follow your warfarin clinic's advice. | Authoritative guidance 26 23 31 |
| Irritable bowel syndrome or a gut that reacts to beans | A dietitian can help you test beans safely. Harvard says eating less of, or less often, the foods that cause digestive problems may be a reasonable solution. | Authoritative guidance 20 27 |
| Pregnancy and breastfeeding | No warning against canned baked beans was found in the sources read. The sodium and sugar points above apply to everyone. Ask your doctor or midwife about your own diet. | Authoritative guidance 16 18 |
| Babies and young children | The NHS says babies should not eat much salt, as it is not good for their kidneys, and not to add salt to their food; for children aged 4 or younger it says to avoid food and drink with added sugar or sweeteners. The NHS page does not name baked beans, so applying it to canned baked beans is our reading. Choking risk and bean allergy in babies were not covered by the sources read; ask a health visitor or paediatrician. | Authoritative guidance 25 |
Overdose, product quality and regulators
Summary. Canned baked beans are an ordinary food. The one clear hazard is the lectin in raw or undercooked dried beans, which proper boiling removes. For canned products the practical cautions are sodium and added sugar.
Animal. Not reviewed. Harvard describes lectin effects on minerals and gut cells from animal and cell studies; these are not about cooked or canned beans.
Human doses studied. Half a cup a day of baked beans for 8 weeks (29 adults, against canned carrots); about six 440 g cans a week for a cross-over trial in 20 men. The abstracts report no safety problem, but they do not report a full safety check.
Overdose response. Not found.
Genotoxicity. Not researched.
Toxic or hazardous parts. The raw or undercooked dried seeds contain the lectin phytohaemagglutinin (FDA). Canned and properly cooked beans have low levels.
Raw dried beans carry a natural toxin that boiling removes. Canned foods can carry traces of bisphenol A (BPA) from the can lining. Pesticide residues and heavy metals in baked beans were not researched.
Lectin in raw beans. The FDA says soaking at least 5 hours then boiling in fresh water for at least 30 minutes removes and destroys PHA; canned and properly cooked beans have low levels. Harvard says canned beans are cooked and packaged in liquid. 18 20
Bisphenol A (BPA) from cans. In the 2008 Canadian total diet study in Quebec City, canned baked beans had 23.5 ng of BPA per g; estimated adult intakes from the whole diet were 0.052 to 0.081 microgram per kg body weight a day, which the authors describe as well below the established regulatory limits. One city, one year, pooled samples; can linings may have changed since. 4
Sodium and added sugar. See the sodium and sugar entries above: about 1,075 mg of sodium in a cup of canned baked beans (USDA) and about 9 g of sugar in half a UK can (BHF). 31 16
| Body | Action | Date |
|---|---|---|
| FDA (US) (United States) | Natural Toxins in Food: the lectin phytohaemagglutinin in raw or undercooked beans can cause nausea, severe vomiting and diarrhea; soaking at least 5 hours then boiling in fresh water for at least 30 minutes removes and destroys it; canned and properly cooked kidney beans have low levels. Baked beans are not named. source | 2024-09-26 |
| WHO (International) | Sodium reduction: adults should consume less than 2000 mg sodium a day (less than 5 g salt); high sodium raises blood pressure and the risk of cardiovascular disease; much dietary sodium comes from processed foods. Baked beans are not named. source | 2026-05-11 |
| WHO (International) | Sugars guideline: keep free sugars below 10 percent of energy (strong recommendation); below 5 percent for further benefit (conditional). Baked beans are not named. source | 2015-03-04 |
| British Heart Foundation (UK charity) (United Kingdom) | Are baked beans good for you?: count once as one of 5 A DAY; most canned baked beans are ultra-processed with added sugars and salt; choose no-added-sugar or reduced-sugar and reduced-salt varieties. source | 2026-02-17 |
| NHS (UK) (United Kingdom) | 5 A DAY: beans and pulses count only once a day, however many you eat. Foods to avoid giving babies and young children: babies should not eat much salt; avoid added sugar for children aged 4 or younger. Baked beans are not named on either page. source | 2026-06-09 |
| National Kidney Foundation (US) (United States) | Beans: most people with chronic kidney disease not on dialysis and after a transplant do not have to limit beans for potassium or phosphorus; dialysis needs a plan with a kidney dietitian; many beans are high in oxalates (calcium oxalate stones). The page is about plain beans. source | 2023-01-02 |
| Harvard T.H. Chan School of Public Health (United States) | Lectins: raw legumes have the most lectin; wet cooking or soaking inactivates most; low-heat slow cooking or undercooking does not remove all; canned beans are cooked and packaged in liquid. source | 2022-01 |
When to get medical help
- Trouble breathing, swelling of the lips, face or throat, widespread hives, repeated vomiting or collapse after eating beans or a bean product (possible anaphylaxis): call emergency services (MedlinePlus)
- Severe vomiting or diarrhea within a few hours of eating home-cooked beans that may not have been boiled properly (the FDA describes severe vomiting from raw bean lectin): seek medical care, and drink fluids
- Signs of serious bleeding while taking warfarin, such as blood in urine or stool, unexplained bruising or nosebleeds, or a sudden bad headache with confusion: call your clinic or emergency services
Stop using the product and contact a clinician or emergency service. In the US, Poison Control is 1-800-222-1222.
General information only, not medical advice. Ask a clinician or pharmacist before use, especially with medicines, in pregnancy or with a health condition. See the Natural Remedy Safety guide.
Frequently asked questions
Are baked beans healthy?
How much sodium and sugar are in canned baked beans?
Do baked beans lower cholesterol?
Do baked beans count as one of my 5 A DAY?
Are canned baked beans safe to eat without cooking?
Can I make baked beans from dried beans in a slow cooker?
Boil them first. The FDA says soaking at least 5 hours and boiling in fresh water for at least 30 minutes removes the toxin in raw beans. Harvard says low heat, such as a slow cooker, does not remove all lectins. In a 2018 outbreak in France, 200 diners fell ill after undercooked kidney beans in chili.
Do baked beans cause gas?
They can. NIDDK says some bean carbohydrates are not fully digested, so gut bacteria make gas. In a feeding study with baked beans, fewer than half of people reported more flatulence in the first week, and 3% to 11% reported more even on a control diet. A dietitian can help if you have irritable bowel syndrome.
Are baked beans good for blood pressure?
Cohort studies link more legumes to lower risk of high blood pressure (RR 0.84), but that is about legumes in general, not baked beans in sauce. Many canned versions are high in sodium, and WHO says high sodium raises blood pressure. Check labels and ask your clinic if you have high blood pressure.
Are baked beans good for diabetes or blood sugar?
Can you be allergic to baked beans?
Bean allergy is possible, from mild to severe, with cross-reactions between legumes such as peanut. Most evidence is case reports. Flavoured versions can add cheese or sausages, so read the label. Ask an allergist if you have a legume allergy. For trouble breathing or swelling of the face or throat, call emergency services.
Are baked beans OK with kidney disease or warfarin?
A cup of canned baked beans has about 726 mg of potassium and very little vitamin K (USDA). The National Kidney Foundation says most people with chronic kidney disease not on dialysis do not have to limit beans for potassium or phosphorus, but its page is about plain beans, not beans in a salty sauce. The NHS does not name beans among foods that affect warfarin. Ask your kidney team or warfarin clinic.
Are baked beans suitable for babies, children and pregnancy?
No warning against canned baked beans in pregnancy was found in the sources read. For babies, the NHS says they should not eat much salt and not to add salt to their food, and for children aged 4 or younger to avoid added sugar. The NHS page does not name baked beans, so applying it is our reading. Ask your doctor, midwife or health visitor.
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Editorial transparency
- Written by
- AlternativeMed editorial team. Research compiled with AI assistance, then checked against the sources listed.
- Medical review
- None. This page has not been reviewed by a physician or pharmacist.
- First published
- 2026-10-26
- Last substantive update
- 2026-10-26
- How we research
- We started from our existing baked beans summary, re-checked nutrition against saved USDA FoodData Central values, read the British Heart Foundation, FDA, WHO, NHS, National Kidney Foundation, NIDDK, MedlinePlus and Harvard pages, and searched PubMed for reviews, trials and safety reports. Only abstracts were read for studies. Items we could not verify are flagged in the research gaps.
- How we rate evidence
- See "How we rate evidence" in the Evidence tab.
- Independence
- No product is promoted on this page. No affiliate links are shown.
Sources 33
Each source was opened and checked. Where we read only the abstract, it says so. The small numbers in the text point here.
- Abu Risha M, Rick EM, Plum M, Jappe U. Legume Allergens Pea, Chickpea, Lentil, Lupine and Beyond.. Current Allergy and Asthma Reports. 2024. PMID 38990406. DOI 10.1007/s11882-024-01165-7. (abstract)
- Back S, Yang S, Rossi A, Ayoub-Charette S, et al.. Effect of Different Types of Whole Dietary Pulses on Established Therapeutic Lipid Targets for Cardiovascular Risk Reduction: An Updated Systematic Review and Dose-Response Meta-Analysis of Randomized Controlled Trials.. Journal of the American Heart Association. 2026. PMID 42132198. DOI 10.1161/JAHA.125.046659. (abstract)
- Bielefeld D, Grafenauer S, Rangan A. The Effects of Legume Consumption on Markers of Glycaemic Control in Individuals with and without Diabetes Mellitus: A Systematic Literature Review of Randomised Controlled Trials.. Nutrients. 2020. PMID 32708949. DOI 10.3390/nu12072123. (abstract)
- Cao XL, Perez-Locas C, Dufresne G, Clement G. Concentrations of bisphenol A in the composite food samples from the 2008 Canadian total diet study in Quebec City and dietary intake estimates.. Food Additives & Contaminants: Part A. 2011. PMID 21623504. DOI 10.1080/19440049.2010.513015. (abstract)
- Cobiac L, McArthur R, Nestel PJ. Can eating baked beans lower plasma cholesterol?. European Journal of Clinical Nutrition. 1990. PMID 1964898. (abstract)
- Gardiner JA, Pollard MA, Curzon ME. The effect of different concentrations of sugars in two foods (yoghurts and baked beans) on plaque pH.. International Dental Journal. 1997. PMID 9448797. DOI 10.1111/j.1875-595x.1997.tb00686.x. (abstract)
- Ha V, Sievenpiper JL, de Souza RJ, Jayalath VH, et al.. Effect of dietary pulse intake on established therapeutic lipid targets for cardiovascular risk reduction: a systematic review and meta-analysis of randomized controlled trials.. CMAJ. 2014. PMID 24710915. DOI 10.1503/cmaj.131727. (abstract)
- Huang L, Trieu K, Yoshimura S, Neal B, et al.. Effect of dose and duration of reduction in dietary sodium on blood pressure levels: systematic review and meta-analysis of randomised trials.. BMJ. 2020. PMID 32094151. DOI 10.1136/bmj.m315. (abstract)
- Kim SJ, de Souza RJ, Choo VL, Ha V, et al.. Effects of dietary pulse consumption on body weight: a systematic review and meta-analysis of randomized controlled trials.. American Journal of Clinical Nutrition. 2016. PMID 27030531. DOI 10.3945/ajcn.115.124677. (abstract)
- Metoudi M, Sadler I, Kassam S, Aune D, et al.. Legume and soy consumption and the risk of hypertension: a systematic review and dose-response meta-analysis of prospective studies.. BMJ Nutrition, Prevention & Health. 2026. PMID 42539997. DOI 10.1136/bmjnph-2025-001449. (abstract)
- Sievenpiper JL, Kendall CW, Esfahani A, Wong JM, et al.. Effect of non-oil-seed pulses on glycaemic control: a systematic review and meta-analysis of randomised controlled experimental trials in people with and without diabetes.. Diabetologia. 2009. PMID 19526214. DOI 10.1007/s00125-009-1395-7. (abstract)
- Viguiliouk E, Glenn AJ, Nishi SK, Chiavaroli L, et al.. Associations between Dietary Pulses Alone or with Other Legumes and Cardiometabolic Disease Outcomes: An Umbrella Review and Updated Systematic Review and Meta-analysis of Prospective Cohort Studies.. Advances in Nutrition. 2019. PMID 31728500. DOI 10.1093/advances/nmz113. (abstract)
- Watier-Grillot S, Larreche S, Mazuet C, Baudouin F, et al.. From Foodborne Disease Outbreak (FBDO) to Investigation: The Plant Toxin Trap, Brittany, France, 2018.. Toxins. 2023. PMID 37505726. DOI 10.3390/toxins15070457. (abstract)
- Winham DM, Hutchins AM. Perceptions of flatulence from bean consumption among adults in 3 feeding studies.. Nutrition Journal. 2011. PMID 22104320. DOI 10.1186/1475-2891-10-128. (abstract)
- Zargarzadeh N, Mousavi SM, Santos HO, Aune D, et al.. Legume Consumption and Risk of All-Cause and Cause-Specific Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Studies.. Advances in Nutrition. 2023. PMID 36811595. DOI 10.1016/j.advnut.2022.10.009. (abstract)
- . British Heart Foundation: Are baked beans good for you? (Dell Stanford, dietitian). . . (full-text)
- . FDA: Daily Value on the Nutrition and Supplement Facts Labels. . . (full-text)
- . FDA: Natural Toxins in Food. . . (full-text)
- . GBIF species match: Phaseolus vulgaris. . . (full-text)
- . Harvard T.H. Chan School of Public Health, The Nutrition Source: Lectins. . . (full-text)
- . MedlinePlus: Food allergy. . . (full-text)
- . MedlinePlus: Potassium in diet. . . (full-text)
- . MedlinePlus: Vitamin K in diet. . . (full-text)
- . NHS: 5 A DAY, what counts?. . . (full-text)
- . NHS: Foods to avoid giving babies and young children. . . (full-text)
- . NHS: Warfarin. . . (full-text)
- . NIDDK: Eating, Diet, & Nutrition for Gas in the Digestive Tract. . . (full-text)
- . National Kidney Foundation: Beans. . . (full-text)
- . PubChem: Lycopene (CID 446925). . . (full-text)
- . USDA FoodData Central: Beans, baked, home prepared (FDC 173731). . . (full-text)
- . USDA FoodData Central: Beans, baked, canned, with pork and tomato sauce (FDC 173733). . . (full-text)
- . WHO: Sodium reduction (fact sheet). . . (full-text)
- . WHO: Guideline on sugars intake for adults and children (news release, 4 March 2015). . . (full-text)
Where to buy
Check the label first. Whatever you buy, look for these:
- A recent packed-on date: very old dried beans cook unevenly
- Organic or not, and the country of origin
- Whether you want dried or canned
- Soak and cook thoroughly; some raw beans are unsafe
Talk to a pharmacist or doctor before you start any supplement, especially if you take medicines. See the Safety tab for interactions.
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