Mature adult formula for large breed dogs. Nurture's your dog's bones and joints through specially formulated nutrition with natural sources of glucosamine blended with fat-burning L-carnitine to help keep them fit and active. Enriched with antioxidants to help develop a strong immune system. Nourishes the heart with 7 essential nutrients. Type: Mature Large Breed .Size: 30 Lb. .Flavor: Chicken . pack of 4.