Hill's nutritionists & veterinarians developed Hill's Prescription Diet Metabolic + Mobility Canine clinical nutrition especially formulated to help manage your dog's weight and joint health. In fact, Metabolic + Mobility Canine has clinically proven nutrition to improve mobility in as little as 21 days AND reduce body weight by 13% in 60 days.Features & Benefits A synergistic blend of ingredients High levels of omega-3 fatty acids Unique fibre blend from fruits and vegetables Naturally works with your pets unique metabolism Improves your dogs ability to run, walk and jump Helps your pet feel full & satisfied between meals