Hill's Prescription Diet Canine k / d Kidney Care Prescription Diet (TM) k / d (TM) Canine is a clinically proven nutrition to support a better and longer quality of life in dogs with kidney disease. Formulated with controlled phosphorus and reduced sodium to support the kidney & heart function With improved amino acid profile to support your dog's natural ability to build lean muscle mass daily With delicious taste, your dog will appreciate it Available in dry and wet tin