Whether you're looking for an advanced nutrition formula for your mature adult dog or simply want to give them a great-tasting kibble, IAMS PROACTIVE HEALTH Mature Adult Dry Dog Food offers the delicious flavors your dog loves and the health benefits they deserve. Our hearty dog food is made with high-quality animal proteins, such as real chicken. Our mature adult dog formula also helps promote lean muscles while our rich blend of antioxidants supports a strong immune system and healthy digestion. Plus, IAMS PROACTIVE HEALTH Dry Dog Food features naturally sourced glucosamine and chondroitin sulfate to support healthy joints and mobility. Your dog will not only feel the benefits of our most advanced dry dog food, but you also will notice healthier-looking skin and less tartar buildup. Best of all, our wholesome PROACTIVE HEALTH Food for Dogs is made using no added fillers, artificial colors, flavors or preservatives. Premium nutrition never tasted so good!