Hill's™ Science Diet™ Adult Optimal Care™ Original cat food provides precisely balanced nutrition to maintain vital organ health and lean muscles. It contains a precise balance of essential nutrients and clinically proven antioxidants to maintain superior overall health and a strong immune system. It also has added taurine to help maintain heart health and controlled phosphorus to maintain kidney 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 Hill's™ Science Diet™ Kitten Healthy Development. Ingredients Chicken By-Product Meal, Whole Grain Corn, Brewers Rice Corn Gluten Meal, Animal Fat (preserved with mixed tocopherols and citric acid), Chicken Liver Flavor, Lactic Acid, Choline Chloride, Potassium Chloride, Calcium Sulfate, DL-Methionine, Vitamin E Supplement, Iodized Salt, vitamins (L-Ascorbyl-2-Polyphosphate (source of vitamin C), Vitamin E Supplement, Niacin, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Riboflavin, 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), preserved with Mixed Tocopherols and Citric Acid, Phosphoric Acid, Beta-Carotene, Rosemary Extract.