✓ Reviewed against PDSA, Blue Cross & Animal PoisonLine guidance · Last reviewed: 2026-07
Can dogs eat quinoa?
The full picture
Quinoa is actually a seed rather than a grain and is safe for dogs in moderate amounts. It's a complete protein (rare for plant foods), gluten-free, and contains iron, magnesium, and fibre. Rinse before cooking to remove the natural saponins — bitter compounds that can irritate dogs' stomachs. Cook in plain water, not stock. Some dogs don't tolerate quinoa well (GI upset) — start with a small amount. Skip quinoa salads with lemon, onion, feta, or other additions.
Risks to watch for
- Saponins if not rinsed
- GI upset in sensitive dogs
- Weight gain if overfed
Potential benefits
- Complete protein
- Gluten-free
- Iron, magnesium
- Fibre
Safe portion size
A tablespoon or two of plain cooked quinoa mixed with normal food.
And while you're thinking about what's good for your dog, keeping on top of flea and parasite prevention is just as important as diet.
Why quinoa is actually a reasonable grain choice
Quinoa is technically a seed rather than a true grain, and it's a complete protein — containing all nine essential amino acids, which is unusual among plant-based foods. This is why quinoa appears as an ingredient in a number of commercial dog foods marketed as grain-free or novel-protein diets. Plain, well-cooked quinoa (rinsed before cooking to remove the naturally bitter saponin coating) is safe and reasonably nutritious as an occasional addition to a dog's diet, though it shouldn't replace a nutritionally complete commercial diet.
Preparation matters — always cook it thoroughly
Raw or undercooked quinoa is harder to digest and retains more of its natural saponin coating, which can cause stomach upset. Cook quinoa the same way you would for yourself — simmered in plain water until the grains are tender and the coating has been rinsed away — with no added salt, butter, stock cubes, or seasoning. Plain cooked quinoa, cooled before serving, is the version to offer a dog.
How much and how often?
A few tablespoons mixed into a regular meal, a couple of times a week, is a reasonable amount — quinoa is filling and calorie-dense relative to its volume, so it shouldn't make up a large proportion of a dog's diet even though it's nutritionally sound in small amounts.