Last reviewed: August 2026
Small amounts of cooked Swiss chard are generally fine, but like spinach, its oxalate content means it shouldn't be a regular, large part of the diet.
Swiss chard contains oxalates similar to spinach, which in large regular amounts can be a concern for dogs prone to bladder or kidney stones. Occasional small servings aren't a practical concern for most healthy dogs.
General veterinary toxicology consensus, cross-referenced against the Merck Veterinary Manual and ASPCA Animal Poison Control Center food hazard references. See How We Source This for our methodology.
This page is general educational information, not a substitute for veterinary advice.