Eukanuba Fit Body Weight Control Medium Breed dry dog food is complete and balanced nutrition for medium breed dogs 12 months or older with an ideal weight between 24 and 54 lbs. L-carnitine, 30% less fat (vs. Eukanuba Adult Medium Breed), and an adapted blend of carbohydrates help promote a lean, active body. High quality protein combined with over 50% more glucosamine and chondroitin sulfate (vs. Eukanuba Adult Medium Breed) help support lean muscles and agile joints. DHA and antioxidants help support healthy brain function.