When your dog is in the prime of his life, he needs a quality dog food that keeps up. Hill's Science Diet Adult dry dog food uses a high quality protein source for lean muscles, natural fibers for healthy digestive and omega-6s for a beautiful coat. Specially formulated to make grown dogs come running for mealtime, this adult food provides the right balance of nutrients to help your grown-up dog live a happy, healthy life. Science Diet dog food made with natural ingredients is #1 Veterinarian Recommended and is formulated for a great taste adult dogs love. There’s more to love with the new look of Science Diet. Some of our products also have new names, new kibble shapes & new formulas.