Buckwheat

1 food contains this ingredient

Grain Grains allergen group

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About Buckwheat

Buckwheat is a gluten-free pseudocereal (a seed, not a true grass grain) used in pet food for carbohydrate energy and plant protein.

Buckwheat is a gluten-free, seed-like grain used in pet foods as a digestible carbohydrate and source of fiber, plant-based protein, minerals (such as magnesium and manganese), B vitamins, and antioxidants like rutin. It can support digestive health and is often included in limited-ingredient diets for dogs, but it is not a complete protein for obligate-carnivore cats and should be cooked and fed in moderation to avoid gastrointestinal upset or problems for pets prone to oxalate stones or with specific food sensitivities.

Related ingredients

Buckwheat Flour

Derived from: hulled seeds (groats) of the Fagopyrum esculentum plant
Primary role: carbohydrate and plant-protein source, fiber contributor

Why it's used

Because buckwheat comes from a broadleaf plant rather than a true cereal grass, it is naturally gluten-free and is often chosen for limited-ingredient or grain-inclusive formulas that avoid wheat, corn, or rice. Its groats also contribute manganese, magnesium, and the flavonoid rutin alongside their carbohydrate content.

Common concerns

Fagopyrin and photosensitization The ASPCA lists the buckwheat plant (Fagopyrum spp.) as a toxic plant because its foliage contains fagopyrin, a compound concentrated mainly in the leaves and stems that can cause photosensitivity; this applies to the live plant rather than the cooked seed/groat used as a food ingredient.
Digestive adjustment Some sources note dogs not previously exposed to buckwheat may experience digestive upset if it is introduced too quickly rather than gradually.
Not a complete protein for cats As a plant-based protein source, buckwheat does not supply the full amino acid profile obligate carnivores like cats require from animal-based proteins.

Also relevant

Buckwheat hulls (the seed coat separated during processing) are themselves studied as a source of fermentable dietary fiber and bioactive compounds, distinct from the groat used as the primary food ingredient.

4 sources cited

Common Questions

What category is Buckwheat?

Buckwheat is categorized as a grain ingredient in the KibbleLab database.

Is Buckwheat part of an allergen group?

Yes. Buckwheat is grouped under the Grains allergen group in the KibbleLab database.

Which foods contain Buckwheat?

1 food in the KibbleLab database contain Buckwheat, including NutriSource.

Foods with Buckwheat

Alphabetical by brand. Scores run 0 to 10, higher is better, on published veterinary science.

NutriSource

Element Series Open Waters Recipe Dry Dog Food

8.7

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