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House Pet

Pantry & Oils

Can cats eat mustard?

CautionCats

Mustard is not a suitable cat treat. Mustard seed and vinegar can irritate digestion, while prepared varieties may contain garlic, onion, excess salt, sugar, or spices.

Sources

Reviewed 2026-07-16

Frequently asked questions

Can cats eat mustard?

Mustard is not a suitable cat treat. Mustard seed and vinegar can irritate digestion, while prepared varieties may contain garlic, onion, excess salt, sugar, or spices.

Is mustard safe for every cat?

Not necessarily. Mustard is not a suitable cat treat. Mustard seed and vinegar can irritate digestion, while prepared varieties may contain garlic, onion, excess salt, sugar, or spices. Ask your veterinarian first if your cat has an existing health condition or you are unsure.

This page is for informational purposes only and is not veterinary advice. Always consult your veterinarian about your pet's diet and health.

Read our methodology for how every cat food verdict is sourced and reviewed.