Purina Cat Chow Naturals vs. IAMS Proactive Health Healthy Adult with Chicken

IAMS has a better protein to fat ratio. Purina's ratio of 3.78 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.) IAMS has slightly fewer ingredients, which is usually a good thing. IAMS has a slightly lower concentration of fruits, veggies, grains, and starches. Both foods are pea-free.

Purina Cat Chow Naturals

Legend

First 10 ingredients:

chicken corn gluten meal brewers rice chicken by-product meal soybean meal ground yellow corn animal fat turkey powdered cellulose natural flavor

IAMS Proactive Health Healthy Adult with Chicken

IAMS has a better protein to fat ratio. Purina's ratio of 3.78 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.)
IAMS has slightly fewer ingredients, which is usually a good thing.
IAMS has a slightly lower concentration of fruits, veggies, grains, and starches.

First 10 ingredients:

chicken chicken by-product meal ground whole grain corn corn grits corn gluten meal dried plain beet pulp chicken fat natural flavor dried egg product sodium bisulfate