Hill's Prescription Diet c/d Multicare Stress Urinary Care Ocean Fish Flavor Dry Cat Food, Veterinary Diet, 8.5 lb. BagHill's Prescription Diet c d Multicare Stress Urinary Care Ocean Fish Flavor Dry Cat Food is specially formulated by Hills nutritionists and veterinarians to support your cats urinary health Nutrition clinically tested to lower the recurrence rate of most common urinary signs by 89% Formulated to dissolve struvite stones in cats in as little as 7 days (Average 27 days) Controlled levels of magnesium, calcium and phosphorus Enriched with antioxidants,