"Nourish your mature and senior dogs with IAMS Healthy Aging Adult Dry Dog Food. This 29.1 lb bag features real, farm-raised chicken as the first ingredient. Formulated to support healthy bones, joints, and digestion, this dog food provides essential nutrients for senior dogs. Boost their immune system with antioxidants, and trust the veterinarian-recommended IAMS brand for your dog's unique best in their golden years."