IAMS Proactive Health Healthy Kitten vs. Purina Kitten Chow Naturals

IAMS has a better protein to fat ratio. Purina's ratio of 2.67 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.

IAMS Proactive Health Healthy Kitten

IAMS has a better protein to fat ratio. Purina's ratio of 2.67 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.

Legend

First 10 ingredients:

chicken chicken by-product meal ground whole grain corn ground sorghum chicken fat corn gluten meal dried plain beet pulp natural flavor dried egg product potassium chloride

Purina Kitten Chow Naturals

First 10 ingredients:

chicken chicken by-product meal corn gluten meal soy flour ground yellow corn beef fat rice ground whole wheat natural liver flavor phosphoric acid