"Synthetic color additive (FD&C Red No. 40, allura red) approved for use in pet food."
No nutritional purpose — dogs and cats are partially colorblind and don't need or benefit from a specific food color. Red 40 has been linked to hypersensitivity reactions and requires a warning label in the EU, the same as the other synthetic dyes on this list.
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.
Rated D (-4 pts) by PetPro-tectors™. No nutritional purpose — dogs and cats are partially colorblind and don't need or benefit from a specific food color. Red 40 has been linked to hypersensitivity reactions and requires a warning label in the EU, the same as the other synthetic dyes on this list.
Synthetic color additive (FD&C Red No. 40, allura red) approved for use in pet food.