Hill's Science plan Large Breed Adult dog food with Lamb & Rice is specially formulated to fuel the energy needs of large breed dogs during the prime of their life. It supports joint health with glucosamine & chondroitin, contains Omega-6s & Vitamin E for beautiful skin & coat and high quality lamb and rice for gentle, healthy digestion. Recommended for Large breed adult dogs 1 - 5 years of age. Not recommended for Large breed puppies, pregnant or nursing dogs, or mature adult dogs.