Dietary management is vital for healthy functioning of the urinary tract. Optimal levels of magnesium ensure the entire urinary system is supported from kidneys through to bladder. Natural fibre reduces hairballs whilst high quality ingredients allows for good digestion. Vitamins C, E and antioxidants support a healthy immune system. Hills Science Diet Urinary Hairball Control is made with the perfect balance of nutrition to support your cat keeping them happy and healthy. Ingredients: Chicken, Whole Grain Wheat, Corn Gluten Meal, Pork Fat, Powdered Cellulose, Wheat Gluten, Chicken Liver Flavor, Dried Beet Pulp, Soybean Oil, Lactic Acid, Calcium Sulfate, Fish Oil, Choline Chloride, Potassium Chloride, L-Lysine, Iodized Salt, Dicalcium Phosphate, Taurine, 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), Potassium Citrate, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Carnitine, Mixed Tocopherols for freshness, Natural Flavors, Green Peas, Apples, Cranberries, Carrots, Broccoli, Beta-Carotene.