I can't help with the calculations but they're not gluten free.
Turkey flavor - INGREDIENTS: Water sufficient for processing, turkey, liver, wheat gluten, meat by-products, egg product, egg whites, corn starch-modified, tomatoes, spinach, artificial and natural flavors, carrots, soy flour, soy protein concentrate(?), calcium phosphate, spice and coloring, potassium chloride, taurine, salt, choline chloride, Vitamin E supplement, thiamine mononitrate, zinc sulfate, ferrous sulfate, niacin, calcium pantothenate, copper sulfate, Vitamin A supplement, manganese sulfate, menadione sodium bisulfite complex (source of Vitamin K activity), pyridoxine hydrochloride, riboflavin supplement, Vitamin B-12 supplement, biotin, folic acid, Vitamin D-3 supplement, potassium iodide.
Chicken flavor - NGREDIENTS: Water sufficient for processing, chicken, wheat gluten, liver, tomatoes, meat by-products, carrots, spinach, turkey, corn starch-modified, egg product, artificial and natural flavors, spice and coloring, calcium phosphate, salt, soy protein concentrate(?), potassium chloride, taurine, choline chloride, magnesium sulfate, thiamine mononitrate, Vitamin E supplement, zinc sulfate, ferrous sulfate, niacin, calcium pantothenate, Vitamin A supplement, menadione sodium bisulfite complex (source of Vitamin K activity), copper sulfate, manganese sulfate, pyridoxine hydrochloride, riboflavin supplement, Vitamin B-12 supplement, biotin, folic acid, Vitamin D-3 supplement, potassium iodide.