Hill's Prescription Diet t/d vs. Smack Purrfect Pork

Hill's has a better protein to fat ratio. Smack's ratio of 1.33 to 1 is too low (too fatty). (The ideal ratio is 2 to 1.) Smack has slightly fewer ingredients, which is usually a good thing. Smack 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. Smack's ratio of 1.33 to 1 is too low (too fatty). (The ideal ratio is 2 to 1.)

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

Smack Purrfect Pork

Smack has slightly fewer ingredients, which is usually a good thing.
Smack has a slightly lower concentration of fruits, veggies, grains, and starches.

First 10 ingredients:

pork pork bone pork liver pork kidneys pork spleen pork tongue pork heart organic pumpkin organic celery organic apple