Adult Optimal Care Original Hill's Science Diet Adult Optimal Care Original cat food provides precisely balanced nutrition to maintain lean muscle and vital organ health. It contains a precise balance of essential nutrients and clinically proven antioxidants to maintain overall health and a strong immune system. It also has controlled levels of phosphorus to help maintain kidney and heart health. Recommended For: Adult cats 1 -- 6 years of age. Not Recommended For: Kittens, pregnant or nursing cats. During pregnancy or nursing, cats should be switched to Sciene Diet for Kittens Benefits Nutrient How It Works Healthy immune function Vitamin C + E Ideal levels of clinically proven antioxidants for a healthy immune system. Lean muscle maintenance High quality lean proteins Protein is the building block for lean muscle and helps maintain ideal body condition. Ideal body weight Precise balance of key nutrients Delivers the appropriate amount of energy to support ideal body weight. Helps maintain healthy organs Phosphorus Controlled levels of phosphorus help maintain kidney and heart health. Easy to digest High quality ingredients Ensures proper nutrient absorption to keep your cat fit and healthy Chicken, Whole Grain Wheat, Corn Gluten Meal, Pork Fat, Chicken Meal, Dried Beet Pulp, Brown Rice, Chicken Liver Flavor, Calcium Sulfate, Lactic Acid, Potassium Chloride, Fish Oil, Soybean Oil, Iodized Salt, Choline Chloride, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement), Taurine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Oat Fiber, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene, Apples, Broccoli, Carrots, Cranberries, Green Peas.