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Buckwheat

What the research shows

Not enough

published research on this page yet*

*Allergies present

A fruit seed from a plant related to rhubarb.

It is used whole, ground into flour, or sprouted in foods like noodles and porridge.1

What research says

Animal and lab studies only

  • Benefit

    Gut health in humans7

    Buckwheat may help gut health in animals, but scientists do not yet know whether it helps people.

  • Benefit

    Heart and blood sugar health8

    Tartary buckwheat has plant compounds that may help heart health and blood sugar, but most studies are in animals and lab dishes.

Study type not stated

  • Benefit

    Blood sugar and heart health4

    Common and Tartary buckwheat contain gluten-free protein and plant compounds that may help with blood sugar, weight and heart health.

  • Benefit

    Blood sugar and fullness5

    Eating buckwheat kasha improves insulin response and keeps you feeling full longer.

Allergies and intolerances

These are about people with an allergy, an intolerance or coeliac disease. The signal is about the ingredient itself, and these are about the person eating it, so the signal does not count them.

  • Allergic reactions to food2

    Buckwheat can cause serious allergic reactions in some people, though these are rare.

  • Missed allergy protein3

    A buckwheat protein called oleosin was missed by standard allergy tests but reacted with antibodies in half of sensitized people.

How it’s made and used

  • Lignans in cereal foods6

    Buckwheat and other grains contain lignans, but amounts vary widely between grains and after processing.

The signal at the top counts the findings in people and in animal and lab studies. A concern in studies of people outranks animal and lab studies, and “No concerns” needs at least one finding in people. When most findings in people point one way, the page leans that way (“Mostly”), and every finding is still shown. Findings whose study type is not stated are shown but not counted. This page is a reference, not medical advice. It describes what regulators and published research say. Talk to a doctor or dietitian about your own diet.

Products

The 6 most-scanned of 1,473 products on Open Food Facts that list buckwheat.

  • Organic Bread 21 Whole Grains and Seeds Dave's Killer Bread · 765 g 0 additives
  • Thin-Sliced Organic Bread 21 Whole Grains and Seeds Dave's Killer Bread · 20.5 oz 0 additives
  • Lentil Cakes kallø · 100 g 0 additives
  • Multigrain Crispbread RYVITA · 250 g 0 additives
  • low sugar granola whole grain oats, almonds & seeds EAT NATURAL · 450 g 0 additives
  • Soft Bakes Choc Chip Belvita · 5x 7 additives

References

  1. 1buckwheat: ingredient taxonomy entry. Open Food Facts.
  2. 2Norbäck D, Wieslander G. A Review on Epidemiological and Clinical Studies on Buckwheat Allergy. Plants (Basel). 2021;10(3). doi:10.3390/plants10030607
  3. 3Chen F, Cheng L, Xu Y, Ma K, Jin T. Thermally Stable Oleosin Is a Major, Cross-Reactive Allergen in Common Buckwheat (Fagopyrum esculentum). J Agric Food Chem. 2026;74(11):9786-9794. doi:10.1021/acs.jafc.5c17363
  4. 4Sharma S, Kumar S, Singh RK. A Recent Advance on Phytochemicals, Nutraceutical and Pharmacological Activities of Buckwheat. Comb Chem High Throughput Screen. 2024;27(18):2654-2666. doi:10.2174/0113862073265824231004115334
  5. 5Kreft I, Germ M, Golob A, et al. Phytochemistry, Bioactivities of Metabolites, and Traditional Uses of Fagopyrum tataricum. Molecules. 2022;27(20). doi:10.3390/molecules27207101
  6. 6Durazzo A, Zaccaria M, Polito A, Maiani G, Carcea M. Lignan Content in Cereals, Buckwheat and Derived Foods. Foods. 2013;2(1):53-63. doi:10.3390/foods2010053
  7. 7Valido E, Stoyanov J, Gorreja F, et al. Systematic Review of Human and Animal Evidence on the Role of Buckwheat Consumption on Gastrointestinal Health. Nutrients. 2022;15(1). doi:10.3390/nu15010001
  8. 8Zhu F. Chemical composition and health effects of Tartary buckwheat. Food Chem. 2016;203:231-245. doi:10.1016/j.foodchem.2016.02.050