Sauerkraut: Safe for Dogs and Cats?

Plain fermented cabbage is not toxic to dogs, but sauerkraut varies widely in sodium and seasoning. Large amounts can cause digestive upset, and recipes with onion, garlic, caraway, sausage, or alcohol change the answer.

Plain sauerkraut is not inherently toxic to cats, but it is salty, unnecessary for an obligate carnivore, and can cause digestive upset. Seasoned recipes may contain additional unsafe ingredients.