Pet Safety / Products / Canned pet food

Canned pet food — pet safety profile

High risk

Canned (wet) pet food for dogs and cats — the dominant format for premium pet nutrition and the preferred food format for cats.

What is this product?

Canned (wet) pet food for dogs and cats — the dominant format for premium pet nutrition and the preferred food format for cats. The primary concern mirrors canned human food (hq-p-fod-000002): BPA or BPS in epoxy can lining leaches into the food content, particularly with acidic pet foods (fish-based formulations). Unlike canned human food where BPA has received significant regulatory attention, canned pet food continues to use BPA-lined cans widely. Secondary concerns include heavy metal contamination (mercury in fish-based foods, arsenic in some seafood), and mycotoxin contamination in plant-derived ingredients.

What's in it

Click any compound name for its full safety profile, regulatory consensus, and exposure data.

Compounds of concern

Base ingredients

Who's most at risk

  • Pets — Smaller body weight, different metabolism, oral contact with products

How to use it more safely

  • Check expiration date before opening and feeding to pet
  • Use within 2 hours of opening or refrigerate unused portion
  • Inspect can for dents, rust, or leaks before use
  • Ensure pet has access to fresh water at all times

Red flags — when to walk away

  • Cat fed exclusively BPA-can canned food multiple times daily — Cats have limited BPA glucuronidation — canned food-fed cats have documented elevated serum BPA at concentrations associated with biological effects in animal models. High-frequency feeding from BPA-lined cans is the highest-exposure scenario.
  • Fish-based canned pet food as the primary or exclusive diet — Mercury bioaccumulation in fish is the same for pet food ingredients as for human food. Tuna-heavy pet diets have documented mercury toxicity cases in cats.

Green flags — what to look for

  • Brand specifically discloses BPA-free can lining — Some pet food brands have committed to BPA-free packaging. Look for explicit statement: 'BPA-free can lining' or 'non-BPA lining' — not just 'BPA-free' (which can refer to the food content, not the packaging).

Safer alternatives

  • Fresh whole food diets — Minimizes processing additives and provides nutritional transparency
  • Veterinary-prescribed prescription diets — Formulated for specific health conditions under professional oversight

Frequently asked questions

What's in Canned pet food?

This product type can contain: Bisphenol A, Bisphenol S (BPS), Fine Particulate Matter (PM2.5), Epichlorohydrin, among others. Click any compound name above for the full safety profile.

Who should be careful with Canned pet food?

Vulnerable populations identified for this product type: pets.

How can I use Canned pet food more safely?

Check expiration date before opening and feeding to pet; Use within 2 hours of opening or refrigerate unused portion; Inspect can for dents, rust, or leaks before use

Are there safer alternatives to Canned pet food?

Yes — consider: Fresh whole food diets; Veterinary-prescribed prescription diets. See the Safer alternatives section above for details.

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Reference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →