Purina Pro Plan Veterinary Diets UR Urinary St/Ox Feline Formulas are made with high-quality ingredients and formulated to help reduce the risk of urinary stone formation. The science behind our therapeutic diets represents a collaboration between Purina pet nutrition experts, researchers and veterinarians. Highlights: -Promotes increased urine volume to dilute the urine -Helps dissolve struvite stones -Helps reduce the risk of both struvite and calcium oxalate stone recurrence -Promotes a urinary environment unfavourable to the development of struvite and calcium oxalate crystals -High-quality protein -Contains antioxidants -Great taste Ingredients: Meat by-products, liver, chicken, poultry by-products, water, rice, calcium gluconate, oat hulls, guar gum, sodium bisulfate, potassium chloride, salt, Vitamin E supplement, tricalcium phosphate, taurine, carrageenan, zinc sulfate, ferrous sulfate, thiamine mononitrate (Vitamin B-1), 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), folic acid (Vitamin B-9), potassium iodide, Vitamin D-3 supplement. Calorie Content (Calculated)2 1115 kcal/kg 1.115 kcal/g 173 kcal/156 g can Guaranteed Analysis: Crude Protein (Min) 10.0% Crude Fat (Min) 5.0% Crude Fiber (Max) 1.5% Moisture (Max) 78.0% Magnesium 0.03%