OPTIMIZOR ELITEfeatures fresh chicken, blended with other high-quality protein sources including salmon and beef, to help support strong muscles and a healthy heart. Chicken is tastefully rich in protein and blends well with real rice and other ingredients to create a complete protein profile. A dual-defense antioxidant blend of vitamins E and A joins forces with zinc and selenium to promote a healthy immune system and a radiant coat.OPTIMIZOR ELITEalso contains Green-lipped Mussel Extract, which is a natural source of glucosamine and chondroiton to promote healthy joints. By choosing smart ingredients that work together,OPTIMIZOR ELITEprovides holistic health and well-being for adult dogs of all breeds and sizes.