Hill's Science Diet Mature Adult Active Longevity provides precisely balanced nutrition for a visible difference in your dog. Contains clinically proven antioxidants to maintain overall health and a strong immune system. It is made with high-quality ingredients which are easy to digest and contains Glucosamine and Chondroitin Sulfate for healthy joints and improved mobility. Key Benefits -. Optimal levels of clinically proven antioxidants support a healthy immune system. Restores youthful energy Glucosamine and Chondroitin Sulfate provide key building blocks for healthy cartilage and sustained mobility. Protein helps maintain ideal body condition. High-quality, easy to digest ingredients ensure optimal nutrient absorption. Made Specifically For: Mature adult dogs 7 years and older.