Can Guinea Pigs Eat Dairy?

Never No — never feed this to guinea pigs

Dairy is not safe for guinea pigs. Guinea pigs are herbivores that cannot digest dairy, so never feed cheese, milk or yogurt.

What to do if your guinea pig ate dairy

If your guinea pig has eaten dairy, don't wait for symptoms — contact your vet or a pet poison line straight away: ASPCA Animal Poison Control (888) 426-4435 or Pet Poison Helpline (855) 764-7661. Note how much was eaten and when.

The right everyday diet for guinea pigs

For guinea pigs, unlimited grass hay is the foundation, plus daily leafy greens — and they must get vitamin C from food every day. Treats stay small. Foods like dairy are extras, not a substitute for a proper diet.

Frequently asked questions

Can Guinea Pigs Eat Dairy?

No. Guinea pigs are herbivores that cannot digest dairy, so never feed cheese, milk or yogurt.

Is dairy toxic to guinea pigs?

Dairy is not safe for guinea pigs. Guinea pigs are herbivores that cannot digest dairy, so never feed cheese, milk or yogurt.

What should I do if my guinea pig ate dairy?

Contact your vet or a pet poison line right away — ASPCA Animal Poison Control (888) 426-4435 or Pet Poison Helpline (855) 764-7661. Don't wait for symptoms to appear.

Source for this rating: Oxbow Animal Health (vet-reviewed) ↗. This is general guidance, not veterinary advice — always confirm with your own vet, as every animal is different.

More foods for guinea pigs

Bell pepper Safe Romaine lettuce Safe Cucumber Safe Carrot & carrot tops In moderation Broccoli In moderation Cauliflower In moderation Spinach In moderation Kale In moderation

See the full list of what guinea pigs can and can't eat →