Just like the human epidemic, almost 50% of the pet population is overweight. Even a little extra weight can impact the pet's quality of life and relationship with family because that extra weight can reduce play time, impact mobility and affect the lifelong general health of your dog. Hill's nutritionists & veterinarians developed Hill's 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 with the nutrition of Metabolic. Features & Benefits - High quality and highly digestible protein in moderate quantities to help reduce liver workload and helps maintain liver function Added L-Carnitine to help maintain normal fat metabolism in the liver Added antioxidant nutrients like vitamin E and C to control cell oxidation and promote a healthy immune system Reduced in sodium to help maintain normal blood pressure