Prescription Diet c/d Multicare is clinical nutrition specially formulated to reduce the risk of calcium oxalate and struvite stones in dogs. It's made in the USA with global ingredients you can trust, and was developed by Hill's nutritionists and veterinarians. This food is enriched with antioxidants, potassium citrate and omega-3 fatty acids, and also includes controlled fat levels and low sodium. Please consult your veterinarian for further information on how Prescription Diet foods can help your dog continue to enjoy a happy and active life.