Convincing your cat to take her medicine is never an easy task; but when it tastes like savory salmon, there’s a good chance she’ll meow for more. Formulated to support renal health and relieve cats from painful urinary tract disease, Purina Pro Plan Veterinary Diets UR Urinary ST/OX Feline Formula is uniquely balanced to encourage increased urine volume and water intake. It reduces struvite crystals and inflammation while promoting healthy urine acidity. Your cat will use the litter box more often and drink more water, keeping her strong and healthy. The Salmon Recipe in Sauce is mouthwatering to cats while also providing dietary benefits for optimal nutrition that adult cats need.