Young Again ZERO vs. Hill's Prescription Diet m/d GlucoSupport

Young Again has a better protein to fat ratio. Hill's's ratio of 2.41 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.) Young Again has much 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. Hill's's ratio of 2.41 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.)
Young Again has much 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

Hill's Prescription Diet m/d GlucoSupport

Young Again contains controversial ingredients.

First 10 ingredients:

chicken by-product meal corn protein meal chicken chicken fat wheat gluten potato protein powdered cellulose spray dried pork stock corn starch sweet potatoes