Young Again ZERO vs. IAMS Proactive Health Healthy Kitten

Young Again has a better protein to fat ratio. IAMS's ratio of 1.57 to 1 is too low (too fatty). (The ideal ratio is 2 to 1.) Young Again has fewer ingredients, which is usually a good thing. Young Again has a slightly lower concentration of fruits, veggies, grains, and starches. Both foods are pea-free. Young Again contains controversial ingredients.

Young Again ZERO

Young Again has a better protein to fat ratio. IAMS's ratio of 1.57 to 1 is too low (too fatty). (The ideal ratio is 2 to 1.)
Young Again has fewer ingredients, which is usually a good thing.
Young Again has a slightly lower concentration of fruits, veggies, grains, and starches.

Legend

First 10 ingredients:

hydrolyzed pork chicken meal chicken fat chicken liver flavor guar gum herring meal dl methionine l-lysine fish oil psyllium husk

IAMS Proactive Health Healthy Kitten

Young Again contains controversial ingredients.

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