"Synthetic color additive (FD&C Blue No. 1, brilliant blue) approved for use in pet food."
Another purely cosmetic dye with no nutritional role — added for the human shopper's benefit, not the pet's. Like the other synthetic dyes on this list, it carries hypersensitivity concerns and an EU warning-label requirement.
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™. Another purely cosmetic dye with no nutritional role — added for the human shopper's benefit, not the pet's. Like the other synthetic dyes on this list, it carries hypersensitivity concerns and an EU warning-label requirement.
Synthetic color additive (FD&C Blue No. 1, brilliant blue) approved for use in pet food.