Big dogs have their own set of nutrition needs, so Hill's Science Diet Large Breed adult dog food is specially formulated to fuel the energy needs of large breed dogs during the prime of their life. Made with high-quality, easy-to digest-ingredients, this food made for fully grown large dogs supports the building of lean muscle with high-quality protein, as well as glucosamine and chondroitin for healthy joints & mobility. A balanced blend of omega-6s and vitamin E nourishes your dog's skin for a healthy, shiny coat. 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.