Hill's Prescription Diet t/d vs. Brit Premium by Nature Cat Adult Chicken

Hill's has a better protein to fat ratio. Brit's ratio of 2.25 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.) Brit has slightly fewer ingredients, which is usually a good thing. Hill's has a slightly lower concentration of fruits, veggies, grains, and starches.

Hill's Prescription Diet t/d

Hill's has a better protein to fat ratio. Brit's ratio of 2.25 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.)
Hill's has a slightly lower concentration of fruits, veggies, grains, and starches.

Legend

First 10 ingredients:

chicken by-product meal brewers rice corn gluten meal whole grain corn powdered cellulose chicken fat chicken liver flavor lactic acid calcium sulfate soybean oil

Brit Premium by Nature Cat Adult Chicken

Brit has slightly fewer ingredients, which is usually a good thing.

First 10 ingredients:

dehydrated chicken rice chicken fat peas dried apple pulp hydrolyzed chicken liver salmon oil dried spinach mannan-oligosaccharides fructo-oligosaccharides