Millet: Nutrients, What Research Shows and Safety
Millet as a food: USDA nutrient values, a pooled analysis on blood sugar, why it is gluten-free, and what a systematic review found on pearl millet and goiter.
Content last updated . This page has not been medically reviewed.
Millet is a name for several small-seeded grasses grown as grains, mainly proso millet (Panicum miliaceum) and pearl millet (Pennisetum glaucum). The USDA entries used here do not say which species they describe, and finger millet is another kind that research often covers. [1] [2] Millet is cooked like rice or porridge,. People eat it for fiber, minerals and because it is naturally gluten-free. This page keeps the whole grain apart from supplements, and apart from hype.
Read this first
- Naturally gluten-free. The Celiac Disease Foundation lists millet among gluten-free grains and advises against bulk bins because of cross-contact. [3] FDA says a "gluten-free" label means under 20 ppm of gluten, and it applies to grains other than wheat, rye, barley and their hybrids. [4] NIDDK's food list does not name millet. [5]
- Does millet cause goiter? A 2024 systematic review found nine papers and judged the evidence not strong enough to say that pearl millet in a balanced diet causes goiter; it asked for more research. [6]
- Evidence in one line: a 2026 pooled analysis of sorghum and millet trials found lower blood sugar measures, but the trials were mixed, and millet is not shown to prevent or treat diabetes. [2]
- Allergy: we did not find a source we could read on millet allergy. For any food reaction with trouble breathing or swelling of the face or throat, call 911 (or your local emergency number). [7]
What is in it (USDA values)
The values below are for cooked millet (USDA FoodData Central item 168871, SR Legacy). [1] The serving column is the USDA household portion, 1 cup cooked, which USDA lists as 174 g. [1]
| Nutrient | Per 100 g | Per 1 cup cooked (174 g) | % Daily Value per serving |
|---|---|---|---|
| Energy | 119 kcal | 207 kcal | not set |
| Total fat | 1.00 g | 1.7 g | 2% |
| Saturated fat | 0.172 g | 0.3 g | 1% |
| Protein | 3.51 g | 6.1 g | 12% |
| Fiber | 1.3 g | 2.3 g | 8% |
| Magnesium | 44 mg | 77 mg | 18% |
| Manganese | 0.272 mg | 0.47 mg | 21% |
| Copper | 0.161 mg | 0.28 mg | 31% |
| Phosphorus | 100 mg | 174 mg | 14% |
| Zinc | 0.91 mg | 1.6 mg | 14% |
| Iron | 0.63 mg | 1.1 mg | 6% |
| Thiamin (B1) | 0.106 mg | 0.18 mg | 15% |
| Niacin (B3) | 1.33 mg | 2.3 mg | 14% |
| Folate (DFE) | 19 mcg | 33 mcg | 8% |
| Potassium | 62 mg | 108 mg | 2% |
% Daily Value uses the FDA 2016 Daily Values; values vary with species, variety and cooking water. The serving figures are the 100 g values multiplied by 1.74. For comparison, USDA lists raw millet at 378 kcal, 11.0 g protein and 8.5 g fiber per 100 g, so cooked values per 100 g are lower because of the water. [8] USDA lists no vitamin B12 or vitamin C in millet. [1]
Plant compounds: a 2026 narrative review says millets contain bioactive compounds and prebiotic fibers, and links them to effects seen mainly in lab and animal work. [9] We did not read a source that measured named compounds in the USDA millet item, so no compound is claimed here.
What research says
| Health goal | What the sources found | Strength of evidence | What was studied |
|---|---|---|---|
| Blood sugar | A 2026 systematic review and meta-analysis (20 studies, 11 pooled) of sorghum, finger millet and pearl millet reported lower after-meal glucose, and also lower fasting glucose and HbA1c; the authors say more studies are needed to confirm long-term effects. [2] It pools sorghum and several millets, so results are not for one grain. | Promising but limited | Sorghum and millet foods; mostly short studies |
| Cholesterol, weight, gut health | A 2026 narrative review reports roughly 10% lower cholesterol and up to 15% blunted after-meal glucose spikes, and describes prebiotic effects. It is a summary of many studies, not a new trial. [9] | Insufficient evidence | Mixed studies and mechanisms |
| Training and recovery in athletes | In 60 male athletes aged 18 to 25, a pearl millet-based diet (one third of cereals) for 60 days improved strength and VO2 max, but blood markers of inflammation (hs-CRP, TNF-alpha, IL-6) did not change significantly. [10] | Insufficient evidence (small trial, one setting) | Pearl millet diet, young men |
| Anemia in toddlers | In 223 children aged 12 to 18 months in Mumbai, iron- and zinc-biofortified pearl millet for 9 months raised hemoglobin and lowered anemia (34% vs 58%) versus ordinary pearl millet, but not ferritin, zinc or growth. [11] The result is for a special bred variety, not ordinary millet. | Promising but limited (specific variety) | Biofortified pearl millet in complementary food; toddlers |
| Heart attacks, strokes, diabetes onset | Proper evidence not found in the sources we read. | No good evidence of benefit found | Not applicable |
| Whole grains in general and long-term health | A pooled analysis of 45 prospective studies found that people who ate more whole grains had lower risk of heart disease and death. [12] Observational studies cannot prove cause, and millet was not analyzed on its own. | Promising but limited (observational, not millet-specific) | Whole grain intake in general |
We did not check funding in every study; abstracts often do not say. The trials used whole millet foods; no extract or supplement trial was read.
Eaten as food vs taken as an extract or supplement. The studies above fed millet as meals or complementary foods. Extracts are a separate lab topic. [9]
How much is a normal serving
The USDA household portion for cooked millet is 1 cup (174 g), which has about 207 kcal; for raw millet it is 1 cup (200 g). [1] [8] That is information from the USDA data, not a prescription. Harvard's Nutrition Source lists millet among the unprocessed whole grains. [13] The NHS advises wholegrain starchy foods as a fiber source, without naming millet. [14] The athlete trial replaced one third of regular cereals with pearl millet, a study design, not advice. [10]
Safety, allergy and medicines
- Celiac disease and gluten: millet is naturally gluten-free. [3] NIDDK's list does not name millet, so ask your care team if unsure. [5] Cross-contact can happen in growing and processing, so look for a gluten-free label. [5] [4]
- Thyroid and goiter: some have worried that millet interferes with the thyroid. The 2024 systematic review found published evidence on pearl millet and goiter not compelling enough to assert that pearl millet eaten as part of a balanced diet causes goiter in the general population, and said more research is needed. [6] We read no source on millet and thyroid medicines. See supplements and thyroid medicines for the general question.
- Allergy: we did not find a source we could read on millet allergy. Anaphylaxis is a medical emergency, so call 911. [7] See food allergy basics and emergency signs.
- Diabetes and medicines: the blood sugar results are for markers in trials. We read no source on interactions between millet and diabetes medicines. Ask your care team before changing how you eat or take medicines. See foods and medicine interactions.
- Kidney disease, pregnancy: we did not read a source on millet for these groups. See foods in pregnancy and foods and kidney disease.
Choosing, storing and food safety
- For gluten-free diets, choose packages labeled gluten-free and avoid bulk bins. [3]
- Millet species and varieties differ, and the iron- and zinc-rich variety in the toddler trial is a specially bred one. [11]
- We did not read a source with specific storage advice for millet, or on mold in stored millet. See food storage, leftovers and food safety basics.
Related pages
Health connections for Millet
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.
Millet and blood sugar
Preliminary or mixedA 2026 pooled analysis of sorghum, finger millet and pearl millet studies reported lower after-meal glucose, fasting glucose and HbA1c. The authors say more studies are needed.
Supplements: Results pool sorghum and several millets, mostly short studies.
Biofortified pearl millet and anemia in toddlers
Preliminary or mixedIn 223 toddlers in Mumbai, iron- and zinc-biofortified pearl millet for 9 months raised hemoglobin and lowered anemia versus ordinary pearl millet, but ferritin, zinc and growth did not change significantly.
Supplements: Result is for the special variety, not ordinary millet.
Pearl millet diet in young athletes
Not enough evidenceIn 60 male athletes, a pearl millet-based diet for 60 days improved strength and VO2 max; inflammation blood markers did not change significantly.
Supplements: Small trial in young men.
Millet, cholesterol and gut health (review claims)
Not enough evidenceA 2026 narrative review reports about 10% lower cholesterol and up to 15% smaller glucose spikes and describes prebiotic effects, summarizing many studies.
Supplements: A review summary, not a new trial.
Whole grains and long-term health (not millet-specific)
Preliminary or mixedA pooled analysis of 45 observational studies linked more whole grains to lower risk of heart disease and death. This cannot prove cause and does not isolate millet.
Supplements: Information about whole grains in general.
Minerals in a serving (copper, manganese, magnesium)
Established roleOne cup cooked gives about 31% DV copper, 21% manganese and 18% magnesium by USDA data.
Supplements: Dietary role only.
Connected topics
Open a group to see how each topic connects and how strong the evidence is.
Health goals (1)
- Blood Sugar BalancePreliminary or mixed
A pooled analysis of sorghum and millet studies reported lower glucose and HbA1c; more studies are needed.
Body systems (1)
- Blood Sugar SupportPreliminary or mixed
Lower glucose measures in a pooled analysis.
Functional actions (1)
- Blood Sugar RegulationPreliminary or mixed
Lower after-meal and fasting glucose in a pooled analysis.
Root causes (1)
- Blood Sugar ImbalancePreliminary or mixed
Lower glucose and HbA1c in a pooled analysis.
Habits (1)
- Balanced NutritionPreliminary or mixed
A whole-grain choice; observational data link more whole grains to lower risk, not millet-specific.
Biomarkers (2)
- Blood GlucosePreliminary or mixed
Fasting and after-meal glucose were lower in the pooled analysis.
- HbA1cPreliminary or mixed
HbA1c was lower in the pooled analysis.
Conditions & symptoms (1)
- Celiac DiseaseDocumented risk
Millet is naturally gluten-free (Celiac Disease Foundation); cross-contact can occur; choose labeled products (under 20 ppm).
Documented risks and interactions (3)
- Naturally gluten-free grain and cross-contact. Millet is naturally gluten-free. It can pick up gluten in processing; a US gluten-free label means under 20 ppm. NIDDK's food list does not name millet.
- Pearl millet and goiter: is there a risk?. A 2024 systematic review of nine papers found the evidence not strong enough to say pearl millet in a balanced diet causes goiter, and asked for more research.
- Food allergy: no millet-specific source read. We did not find a source we could read on millet allergy. Call 911 for trouble breathing or swelling of the face or throat after any food.
Frequently asked questions
Is millet gluten-free?
Yes, millet is naturally gluten-free. [3] Choose a gluten-free label if you have celiac disease, because of cross-contact. [4] NIDDK's list does not name millet. [5]
Does millet cause goiter?
A 2024 systematic review of nine papers found the evidence not compelling enough to say that pearl millet eaten in a balanced diet causes goiter. It said more research is needed. [6]
Is millet good for blood sugar?
A 2026 pooled analysis of sorghum and millet studies found lower after-meal glucose, fasting glucose and HbA1c, with more studies needed. [2] That is not proof that millet prevents or treats diabetes.
Which millet is in the USDA numbers?
USDA does not say which species the cooked millet item describes. [1] Pearl, proso and finger millet differ, so treat the numbers as general.
Can millet cause an allergic reaction?
We did not find a source we could read on millet allergy. Call 911 for trouble breathing or swelling of the face or throat after any food. [7]
References
- U.S. Department of Agriculture. FoodData Central: Millet, cooked (SR Legacy, FDC 168871). April 2018 release. Read 2026-10-24.
- Dunna D et al. Grain guardians for the management of diabetes: sorghum, finger millet, and pearl millet: a systematic review and meta-analysis. 2026. (abstract read via Europe PMC) Read 2026-10-24.
- Celiac Disease Foundation. Gluten-free foods. Read 2026-10-24.
- FDA. Questions and Answers: Gluten-Free Food Labeling Final Rule. 2022. (content current as of 2022-06-30) Read 2026-10-24.
- NIDDK. Eating, diet and nutrition for celiac disease. Read 2026-10-24.
- Anitha S et al. Does consumption of pearl millet cause goiter? A systematic review of existing evidence. 2024. (abstract read via Europe PMC) Read 2026-10-24.
- MedlinePlus. Food allergy. Read 2026-10-24.
- U.S. Department of Agriculture. FoodData Central: Millet, raw (SR Legacy, FDC 169702). April 2018 release. Read 2026-10-24.
- Ray S et al. Millet: a functional powerhouse against chronic lifestyle disease. 2026. (abstract read via Europe PMC) Read 2026-10-24.
- Saifi A et al. Effect of pearl millet diet on immunomodulating factors, physical performance and recovery in athletes: a randomised control trial. 2026. (abstract read via Europe PMC) Read 2026-10-24.
- Mehta S et al. A randomized trial of iron- and zinc-biofortified pearl millet-based complementary feeding in children aged 12-18 months living in urban slums. 2026. (abstract read via Europe PMC) Read 2026-10-24.
- Aune D et al. BMJ. Whole grain consumption and risk of cardiovascular disease, cancer, and all cause and cause specific mortality: systematic review and dose-response meta-analysis of prospective studies. 2016. (abstract read via Europe PMC) Read 2026-10-24.
- Harvard T.H. Chan School of Public Health. Whole grains (The Nutrition Source). Read 2026-10-24.
- NHS. Starchy foods and carbohydrates. Read 2026-10-24.