Hill's nutritionists & veterinarians developed Prescription Diet® Metabolic clinical nutrition specially formulated to support your dog's weight management. In fact, 88% of pets lost weight at home in 2 months when fed the nutrition of Metabolic. This irresistible food makes it easier for you to bond with your pet with gently cooked, bite-sized chunks of real beef & natural ingredients with added vitamins and minerals. It naturally works with your pet's unique metabolism.