I’m not that big of a fan of prepackaged dry food. I might just be an isolated case but in the year before my lab passed away we switched her to trader joes wet food and alot of her allergies cleared up.
My dog is allergic to beef. So he has a non beef fancy dog food SIMPLEY S..... Saves all the vet bills for the skin rash. Eats pumpkin for his bowels.
The cat has a low ash cat food CORE which has stopped her from peeing in the house.
Both are expensive but