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: Water, Pork Liver, Pork By-Products, Chicken, Corn Flour, Rice, Chicken Fat, Chicken Liver Flavor, Powdered Cellulose, Calcium Carbonate, Fish Oil, Natural Flavor, L-Lysine, Potassium Chloride, DL-Methionine, vitamins (Vitamin E Supplement, Thiamine Mononitrate, Ascorbic Acid (source of Vitamin C), Niacin Supplement, Pyridoxine Hydrochloride, Calcium Pantothenate, Vitamin B12 Supplement, Riboflavin Supplement, Folic Acid, Vitamin D3 Supplement, Biotin), Guar Gum, Taurine, Choline Chloride, Salt, Cysteine, Dicalcium Phosphate, L-Carnitine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganese Sulfate), Beta-Carotene. Nutrient Dry Matter% Protein 33.2 % Fat 27.1 % Carbohydrate / NFE 31.2 % Crude Fiber 3.1 % Calcium 0.84 % Phosphorus 0.52 % Potassium 0.84 % Sodium 0.25 % Magnesium 0.054 % Iodine 0.1 ppm Taurine 0.26 % Carnitine 636.8 ppm *The nutrient in the product after moisture is removed. It is used to make direct comparisons of nutrient profiles with differing moisture contents.