Purina Pro Plan Veterinary Diets OM Overweight Management Feline Formulas have been specially formulated to help cats lose weight while maintaining muscle, and support a healthy urinary system. The science behind our therapeutic diets represents a collaboration between Purina pet nutrition experts, researchers and veterinarians. Ingredients: Water, meat by-products, liver, ocean whitefish, chicken, rice, powdered cellulose, potato protein, soy protein isolate, artificial and natural flavors, calcium sulfate, guar gum, potassium chloride, magnesium proteinate, choline chloride, salt, Vitamin E supplement, carrageenan, taurine, thiamine mononitrate (Vitamin B-1), zinc sulfate, ferrous sulfate, L-Carnitine, niacin (Vitamin B-3), manganese sulfate, copper sulfate, calcium pantothenate (Vitamin B-5), Vitamin A supplement, menadione sodium bisulfite complex (Vitamin K), pyridoxine hydrochloride (Vitamin B-6), riboflavin supplement (Vitamin B-2), Vitamin B-12 supplement, biotin (Vitamin B-7), potassium iodide, folic acid (Vitamin B-9), Vitamin D-3 supplement. Calorie Content (Calculated): 3231 kcal/kg 3.231 kcal/g 285 kcal/250 ml cup Guaranteed Analysis: Crude Protein (Min) 8.5% Crude Fat (Min) 1.85% Crude Fat (Max) 5.0% Crude Fiber (Max) 4.0% Moisture (Max) 80.0% Ash (Max) 2.6% Calcium (Ca) (Min) 0.13% Phosphorous (P) (Max) 0.11%