Hill's Science plan Mature Adult Medium dog food with lamb and rice is formulated for specific aging needs. Provides easy-to-digest nutrition with a synergistic blend of ingredients to help support energy & activity level. With Omega-6s & Vitamin E for beautiful skin & coat, balanced minerals for heart & kidney health and high-quality protein for lean muscles, this diet is recommended for Mature Adult dogs 7+ years of age.Not recommended for puppies, adult dogs up to 7 years of age or pregnant/ nursing dogs.