Hill's® Prescription Diet® y/d® Feline is the safe, effective and easy way to manage thyroid health. Clinically proven to improve thyroid health in 3 weeks when fed as the sole source of nutrition. -Decreases T4 hormone production -Supports kidney, heart & urinary health -Visible improvement in skin & coat -Helps support a healthy body condition -Supports a healthy immune system INGREDIENTS: Corn Gluten Meal, Whole Grain Corn, Chicken Fat, Powdered Cellulose, Egg Product, Chicken Liver Flavor, L-Lysine, Potassium Citrate, Dicalcium Phosphate, Lactic Acid, Fish Oil, Calcium Sulfate, Choline Chloride, Calcium Carbonate, DL-Methionine, Taurine,L-Tryptophan, Brewers Dried Yeast, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Calcium Pantothenate, Vitamin A Supplement, Riboflavin Supplement, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Biotin, Vitamin D3 Supplement), L-Arginine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganese Sulfate), L-Carnitine, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene. Nutrient Dry Matter% Protein 35.4 % Fat 22.2 % Carbohydrate / NFE 32.3 % Crude Fiber 3.8 % Calcium 0.85 % Phosphorus 0.69 % Potassium 0.97 % Sodium 0.25 % Magnesium 0.056 % Iodine 0.2 ppm Taurine 0.5 % Carnitine 714.7 ppm *The nutrient in the product after moisture is removed. It is used to make direct comparisons of nutrient profiles with differing moisture contents. 4005 kcal/kg (500 kcal/cup)(An eight fluid oz. measuring cup of y/d Chicken Flavor Dry Cat Food contains 4.4 oz. by weight.)