Sesame Seeds & Tahini: Nutrients, What Research Shows and Safety
Sesame seeds and tahini as food: USDA nutrients, sesame allergy (a major US allergen since 2023), small blood pressure and cholesterol trials, and kidney stone cautions.
Content last updated . This page has not been medically reviewed.
Sesame (Sesamum indicum, family Pedaliaceae) is a plant grown for its small flat seeds. They are eaten whole on bread and in sweets, ground into a paste called tahini, and pressed for oil. People eat sesame for its minerals, fiber and healthy fats, and some for the plant compounds called lignans. This page is about sesame seeds and tahini as food. It keeps them apart from oil, extracts and supplements, and from hype.
Read this first
- Sesame is a major food allergen in the US. Since January 1, 2023, packaged foods must name it on the label. [3] It is a different allergy from peanut or tree nut allergy, but many people have more than one. For trouble breathing or swelling of the face or throat, call 911 (or your local emergency number). [5]
- Sesame can hide in "spice mix" or "natural flavor" on older labels. The FDA says it must now be named when it is in those. Tahini is made from sesame. [2] [3]
- The blood pressure and cholesterol findings come from small trials of "sesame products" and are rated very low certainty in one 2025 analysis. They do not show that eating sesame treats high blood pressure or high cholesterol. [8] [9]
- Honest summary: sesame is a nutrient-dense, high-calorie seed (about 162 kcal in 1 ounce of whole seeds, computed from USDA). Allergy is the main safety issue. The health claims are early.
What is in it (USDA values)
USDA data for whole dried sesame seeds [1] and for tahini made from roasted and toasted kernels [2]. The serving is the USDA household portion: 1 tablespoon of whole seeds is 9 g, and 1 tablespoon of tahini is 15 g.
| Nutrient | Whole seeds per 100 g | Whole seeds per 1 tbsp (9 g), % DV | Tahini per 100 g | Tahini per 1 tbsp (15 g), % DV |
|---|---|---|---|---|
| Energy | 573 kcal | 52 kcal, no DV | 595 kcal | 89 kcal, no DV |
| Total fat | 49.7 g | 4.5 g, 6% | 53.8 g | 8.1 g, 10% |
| Saturated fat | 6.96 g | 0.63 g, 3% | 7.53 g | 1.13 g, 6% |
| Protein | 17.7 g | 1.6 g, 3% | 17.0 g | 2.6 g, 5% |
| Fiber | 11.8 g | 1.1 g, 4% | 9.3 g | 1.4 g, 5% |
| Calcium | 975 mg | 88 mg, 7% | 426 mg | 64 mg, 5% |
| Iron | 14.55 mg | 1.3 mg, 7% | 8.95 mg | 1.3 mg, 7% |
| Magnesium | 351 mg | 32 mg, 8% | 95 mg | 14 mg, 3% |
| Zinc | 7.75 mg | 0.70 mg, 6% | 4.62 mg | 0.69 mg, 6% |
| Copper | 4.08 mg | 0.37 mg, 41% | 1.61 mg | 0.24 mg, 27% |
| Manganese | 2.46 mg | 0.22 mg, 10% | 1.46 mg | 0.22 mg, 9% |
| Phosphorus | 629 mg | 57 mg, 5% | 732 mg | 110 mg, 9% |
| Selenium | 34.4 µg | 3.1 µg, 6% | 34.4 µg | 5.2 µg, 9% |
| Thiamin (B1) | 0.79 mg | 0.07 mg, 6% | 1.22 mg | 0.18 mg, 15% |
Sources: USDA FoodData Central items 170150 and 170189 (SR Legacy). [1] [2] The per-serving columns are the USDA per-100 g values scaled to the serving. % Daily Value uses the FDA 2016 Daily Values; values vary with variety, growing place, roasting and storage. USDA lists no value for ALA omega-3 in these two items, and only 0.25 mg of vitamin E per 100 g.
The USDA item for whole seeds lists 975 mg of calcium per 100 g, which is 75% of the Daily Value, while the tahini item (made from roasted and toasted kernels) lists 426 mg. USDA does not say why they differ, and we did not read a source that measured how much of the calcium in whole seeds the body absorbs. One ounce (28 g) of whole seeds works out to about 276 mg of calcium and 1.2 mg of copper; one ounce of tahini works out to about 121 mg of calcium. These are our calculations from the USDA per-100 g values.
Plant compounds: sesame contains lignans, a family that includes sesamin, and the USDA lists 714 mg of phytosterols per 100 g in whole seeds. [1] [12] A 2026 review attributes lipid-lowering and anti-aging properties to sesamin but notes that some of these claims come from preliminary or test-tube work. [12] Human evidence for the whole food is in the next section.
What research says
| Health goal | What the sources found | Strength of evidence | What was studied |
|---|---|---|---|
| Blood pressure | A 2026 meta-analysis of 10 randomized trials (441 people) found sesame lowered systolic and diastolic pressure. [8] A 2025 analysis of 6 trials (465 people with prehypertension or hypertension) found large drops but rated all outcomes very low certainty and said its effect sizes were implausible. [9] | Promising but limited (low-quality, small trials) | "Sesame" or sesame products; the abstracts we read do not say how much was seeds, oil, powder or extract. Trials lasted 4 to 8 weeks or more |
| Cholesterol and blood fats | A 2025 dose-response analysis (13 trials, 521 people, 4 to 12 weeks) found lower total cholesterol and a link with triglycerides over 8 weeks. [10] The 2025 hypertension analysis found no significant change in LDL ("bad") cholesterol. [9] | Mixed | Sesame products and sesame compounds; form not stated in the abstracts we read |
| Blood sugar (HbA1c) and inflammation markers | Lower HbA1c, C-reactive protein and interleukin-6 were reported in the 13-trial analysis. [10] Lower fasting glucose and HbA1c were reported in the 10-trial analysis. [8] | Promising but limited | Sesame products; people with and without chronic disease |
| Lignans (sesamin) lowering cholesterol | Described in a 2026 review; some of the support is preliminary or test-tube work. [12] | Lab or animal only for much of the claim | Compound-level work and reviews |
| Cutting risk of heart attack or stroke | Proper evidence not found in the sources we read. The trials above measured blood tests, not heart attacks. | Insufficient evidence | Not applicable |
| Calcium and bones | USDA lists a lot of calcium in whole seeds, but we did not read a trial of sesame on bone health or on how well its calcium is absorbed. [1] | Insufficient evidence | Not applicable |
Eaten as food vs taken as oil, extract or supplement. The pooled trials call their interventions "sesame supplementation" or "sesame products and bioactive compounds", so some tested powders, oil or sesamin capsules rather than a spoonful of seeds or tahini. [8] [10] We could not confirm from the abstracts which forms went into each result, so we do not apply them to tahini or to seeds on a bagel. We did not find in the abstracts a statement of who funded the trials. Small trials, short durations and very low certainty ratings mean the honest reading is "an interesting early signal", not proof. [9]
How much is a normal serving
USDA household portions are 1 tablespoon (9 g) and 1 cup (144 g) of whole dried seeds, and 1 tablespoon (15 g) or 1 ounce (28.35 g) of tahini. [1] [2] This is information, not a prescription. We did not read a MyPlate or NHS portion page for sesame, so we quote no official portion figure beyond the USDA household portions.Energy: about 52 kcal in 1 tablespoon of whole seeds and about 89 kcal in 1 tablespoon of tahini; about 162 and 169 kcal in an ounce of each (our calculation from USDA). [1] [2] Seeds and tahini are energy dense, so spoonfuls add up. We did not read a pooled study on sesame and body weight. The 2025 analysis reported body weight changes but rated them very low certainty, so we make no weight claim. [9]
Roasted seeds, toasted paste and salted or sweetened products differ from the plain USDA items. Check the label for added salt or sugar. We found no sourced figure on how roasting changes sesame nutrients.
Safety, allergy and medicines
- Sesame allergy is a major US allergy. Sesame became the ninth major food allergen under the FASTER Act. Labeling has been required since January 1, 2023, and the food source must show in the ingredient list or in a "Contains sesame" statement. [3] The other eight major allergens are separate allergies, including peanut and tree nuts. [3]
- Hidden sesame. The FDA says that when sesame is part of an ingredient such as "natural flavor" or a spice mix, it is expected to be named as sesame. Products already in stores or shipping before 2023 did not have to be changed, so the FDA advises checking the label on every purchase and asking staff about unpackaged foods such as bakery items. [3]
- Cross-contact. The FDA says some makers have taken steps to limit cross-contact, and that some have added sesame on purpose to products that did not contain it, which the FDA does not support. Ingredients can change, so check even familiar products. [4]
- Often not alone. In a clinic study of 84 children with confirmed sesame allergy, 71.4% had other food allergies, 46.4% had had at least one anaphylactic reaction, and the allergy persisted in 82.1% at follow-up (median 4.7 years). [11] This is one hospital cohort of confirmed cases, not a population estimate. We did not read a source that gives how often a person allergic to peanut or tree nuts is also allergic to sesame, so we do not quote one.
- Emergency line. The NHS lists sesame seeds among foods that can cause allergy. Call 999 (in the US, 911) for sudden swelling of the lips, mouth, throat or tongue, fast breathing or struggling to breathe, a tight throat, blue or grey skin, confusion, or fainting. Call after using an adrenaline auto-injector even if the person seems better. [5] See food allergy basics and emergency signs.
- Babies. The NHS page we read on foods for babies does not mention sesame by name. It says whole nuts should not be given to children under 5 and that nut butter should be spread thinly, not given alone, because of choking. [6] We did not read a source that applies these rules to tahini. Talk to a pediatrician or health visitor about introducing sesame, especially with eczema or a family history of allergy. This is not advice from us. See foods for babies and toddlers.
- Kidney stones and oxalate. The NIDDK says people who have had calcium oxalate stones may want to avoid or reduce foods that raise oxalate in urine, and it names nuts and nut products, peanuts, rhubarb, spinach and wheat bran. It does not mention sesame. [7] We did not find a source we could read that gives oxalate values for sesame seeds or tahini, so we make no claim about hulled versus unhulled seeds. If you form stones, ask your kidney team. See kidney disease, potassium and oxalates.
- Medicines. We did not find a source we read that shows a specific interaction between sesame foods and a medicine. The trials above measured lower blood pressure and blood sugar in some people. [8] [10] Anyone taking medicines for those should mention large diet changes, or any sesame supplement, to their clinician. No interaction has been shown.
- Calories. Sesame seeds and tahini are energy dense; see the USDA energy values above. [1] [2]
Choosing, storing and food safety
- Read the label every time if you avoid sesame, including spice mixes, flavors, tahini and unpackaged bakery items. [3]
- We did not read a source on rancidity, mold or storage specific to sesame, so we give no storage advice here. See storing nuts and seeds for the guide.
- Whole seeds, tahini and toasted products are different foods in the USDA tables; compare the label for salt and sugar. [1] [2]
Related pages
Health connections for Sesame Seeds & Tahini
What research links to eating or drinking this food, and how strong the evidence is. Many studies are observational or use juice, powder, oil or extracts rather than the food as eaten; each card says which.
Blood pressure
Preliminary or mixedA 2026 meta-analysis of 10 trials (441 people) found lower systolic and diastolic pressure with sesame. A 2025 analysis of 6 trials (465 people) found large drops but rated all outcomes very low certainty and called the effect sizes implausible.
Supplements: Results come from 'sesame products'; they do not show that a spoonful of seeds or tahini treats high blood pressure.
Cholesterol and blood fats
Preliminary or mixedA 2025 dose-response analysis (13 trials, 521 people, 4 to 12 weeks) found lower total cholesterol and a duration-linked fall in triglycerides; the 2025 hypertension analysis found no significant change in LDL cholesterol.
Supplements: Mixed; no heart attack or stroke outcomes were reported.
Blood sugar (HbA1c) and inflammation markers
Preliminary or mixedLower HbA1c, C-reactive protein and interleukin-6 were reported in the 13-trial analysis, and lower fasting glucose and HbA1c in the 10-trial analysis.
Supplements: Promising but limited.
Everyday minerals: copper, manganese, magnesium and calcium
Established roleOne USDA tablespoon of whole seeds (9 g) gives about 41% of the Daily Value for copper and 10% for manganese; USDA lists 975 mg calcium per 100 g in whole seeds and 426 mg in tahini. Absorption of that calcium was not studied in sources we read.
Supplements: Eating sesame is not a treatment for any disease; nutrient content is not proof of a health effect.
Lignans (sesamin) and phytosterols
Lab or animal research onlySesame contains lignans such as sesamin; USDA lists 714 mg phytosterols per 100 g in whole seeds. A 2026 review attributes lipid-lowering properties to sesamin but says some claims are preliminary or test-tube work.
Supplements: Results for isolated sesamin do not automatically apply to the whole food.
Kidney stones and oxalate
Not enough evidenceThe NIDDK lists nuts, peanuts, rhubarb, spinach and wheat bran for people with calcium oxalate stones and does not mention sesame. We found no readable source giving oxalate values for sesame or tahini.
Supplements: Insufficient evidence.
Bone health
Not enough evidenceWhole seeds are a high-calcium food by USDA values, but we found no trial of sesame on bone health or on how well its calcium is absorbed.
Supplements: Insufficient evidence.
Connected topics
Open a group to see how each topic connects and how strong the evidence is.
Health goals (3)
- Blood Pressure SupportPreliminary or mixed
Two meta-analyses report lower blood pressure with sesame products, but one rated the evidence very low certainty.
- Blood Sugar BalancePreliminary or mixed
Lower HbA1c reported in two meta-analyses of sesame products; markers only.
- Cholesterol BalancePreliminary or mixed
A 2025 analysis found lower total cholesterol; another found no clear LDL change. Mixed.
Body systems (3)
- Immune SystemDocumented risk
Sesame is a major allergen; reactions can include anaphylaxis.
- Blood Sugar SupportPreliminary or mixed
Lower HbA1c in pooled trials of sesame products.
- Cardiovascular SystemPreliminary or mixed
Small trials of sesame products report lower blood pressure; very low certainty in one GRADE rating.
Body parts (1)
- Immune SystemDocumented risk
Allergic reactions to sesame are immune reactions; see the allergy sources.
Biomarkers (2)
Conditions & symptoms (2)
- Food AllergyDocumented risk
Sesame is a major US food allergen; reactions range from hives to anaphylaxis.
- Food AnaphylaxisDocumented risk
In a group of 84 children with confirmed sesame allergy, 46.4% had at least one anaphylactic reaction.
Documented risks and interactions (3)
- Sesame allergy. Sesame is a major food allergen in the US; packaged foods must name it on the label since January 1, 2023. In a hospital group of 84 children with confirmed sesame allergy, 71.4% had other food allergies, 46.4% had had anaphylaxis, and 82.1% still had the allergy at follow-up. For swelling of the face or throat or trouble breathing, call 911.
- Hidden sesame and cross-contact on labels. The FDA expects sesame to be named when it is part of a spice mix or natural flavor. Stock made before 2023 did not have to change, and some makers have added sesame on purpose, which the FDA does not support. Check labels each time.
- Calories (energy density). USDA lists 573 kcal per 100 g for whole seeds and 595 kcal for tahini: about 52 kcal in 1 tablespoon of seeds and 89 kcal in 1 tablespoon of tahini. We did not read a pooled study of sesame and body weight.
Frequently asked questions
Is sesame a major allergen?
Yes. In the US, sesame became the ninth major food allergen under the FASTER Act, and labeling has been required since January 1, 2023. [3] The NHS also lists sesame seeds among foods that can cause allergy. [5]
Is sesame allergy the same as peanut or tree nut allergy?
No. The FDA lists sesame as its own major allergen, separate from peanuts and tree nuts. [3] Having one allergy does not mean you have the other, but many people with sesame allergy have other food allergies: 71.4% did in one hospital group of 84 children. [11] Allergy testing and advice come from an allergist.
Does tahini count as sesame for allergy?
Yes. USDA describes tahini as sesame butter made from roasted and toasted kernels. [2] People with sesame allergy should treat it as sesame and check labels, since the FDA expects sesame to be named even inside spice mixes and flavors. [3]
Does sesame lower blood pressure or cholesterol?
Small trials suggest it might, but the evidence is weak. Pooled analyses report lower blood pressure and total cholesterol. [8] [10] One 2025 analysis rated all outcomes very low certainty and found no clear change in LDL cholesterol. [9] The abstracts do not clearly say whether people ate seeds or took oil, powder or sesamin.
Is sesame bad for kidney stones?
We did not find a source we could read that tests sesame for stones. The NIDDK lists nuts, peanuts, rhubarb, spinach and wheat bran for people with calcium oxalate stones and does not name sesame. [7] Ask your kidney team.
References
- USDA FoodData Central. Seeds, sesame seeds, whole, dried (FDC 170150, SR Legacy). April 2018 release. Read 2026-10-23.
- USDA FoodData Central. Seeds, sesame butter, tahini, from roasted and toasted kernels (FDC 170189, SR Legacy). April 2018 release. Read 2026-10-23.
- U.S. Food and Drug Administration. Allergic to Sesame? Food Labels Now Must List Sesame as an Allergen. Content current as of 01/10/2023. Read 2026-10-23.
- U.S. Food and Drug Administration. An Update on Sesame Allergen Labeling on Food Packages. Last updated July 27, 2023. Read 2026-10-23.
- NHS. Food allergy. Reviewed 20 August 2026. Read 2026-10-23.
- NHS. Foods to avoid giving babies and young children. Reviewed 18 February 2026. Read 2026-10-23.
- NIDDK. Eating, Diet, & Nutrition for Kidney Stones. Last reviewed May 2017. Read 2026-10-23.
- Kuo WH et al. Integrative Evidence on Sesame Supplementation for Cardiometabolic Risk Factors Relevant to Retinopathy. Int J Med Sci 2026;23(3):788-803 (abstract read via Europe PMC). Read 2026-10-23.
- Mardani H et al. Sesame and cardiovascular balance: a GRADE-assessed systematic review and meta-analysis in prehypertension and hypertension. Clin Hypertens 2025;31:e33 (abstract read via Europe PMC). Read 2026-10-23.
- Jafari A et al. Clinical evidence of sesame (Sesamum indicum L.) products and bioactive compounds on cardiovascular disease risk factors: GRADE-assessed systematic review and dose-response meta-analysis. Nutr Metab (Lond) 2025;22 (abstract read via Europe PMC). Read 2026-10-23.
- Kazancioglu A et al. Natural history of sesame allergy in pediatric patients: insight from a retrospective analysis. Pediatr Allergy Immunol 2025;36(1) (abstract read via Europe PMC). Read 2026-10-23.
- Raza N et al. Nutritional and Health Potential of Edible Seeds: Micronutrient Bioavailability and Mechanistic Insights. Food Sci Nutr 2026;14(2):e71480 (abstract read via Europe PMC). Read 2026-10-23.