Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual
No, avoid it. Swiss chard is high in oxalates that stress kidneys, which is extra risky for cats with existing kidney issues. Stick to vet-approved low-oxalate greens. If your cat accidentally ate some, watch for straining to urinate or lethargy and call your vet.
Feed with care · Cats · full breakdown on the linked food page
High in oxalates, which can contribute to bladder stones. Small amounts only.
The full verdict, portion guidance and serving notes are collected on the Swiss chard food facts page.