☠️ Iron Oxide in Pet Food

Grade D-4 ptsCancer Agents

What It Is

"Synthetic red pigment used for coloring."

Health Impact

Synthetic red dye with established cancer links in studies. Banned in some markets. Your pet's food has no reason to be a specific shade of red. Score: 1/10.

Why This Grade

A meaningful red flag: an unnamed source, heavy processing into a by-product or digest form, or documented regulatory scrutiny in at least one country. -4 pts deducted.

Sources & Further Reading

Frequently Asked Questions

Is Iron Oxide safe for dogs and cats?

Rated D (-4 pts) by PetPro-tectors™. Synthetic red dye with established cancer links in studies. Banned in some markets. Your pet's food has no reason to be a specific shade of red. Score: 1/10.

What is Iron Oxide in pet food?

Synthetic red pigment used for coloring.

Related Cancer Agents Ingredients

Caramel ColorRed 40 / Yellow 5 / Yellow 6 / Blue 2 (Artificial Colors)Propylene GlycolArtificial Smoke Flavor
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Sources: FDA, AAFCO Official Publication, National Toxicology Program,
WSAVA Global Nutrition Guidelines, Journal of Animal Science.

PetPro-tection League™