Puppy Large Breed It takes superior nutrition to meet the needs of a large breed dog, and Science Diet® Puppy Large Breed has it. For puppies who will weigh more than 55 lb. (25 kg.) when fully mature, Science Diet brand puppy food promotes healthy muscle and bone development as well as properly controlled growth so large breed puppies grow healthy and sound. It also includes a superior antioxidant blend for a lifetime of good health plus carnitine, a special nutrient shown to enhance bone strength and structure. It is enhanced with natural DHA, an Omega-3 fatty acid vital in the development of the brain and nervous system in puppies. Key Benefits Puppy Large Breed was formulated to provide essential nutrients to help proper muscle, joint and bone development of growing large breed puppies up to 12 months (who will weigh more than 55 lbs at maturity). Enhanced with natural DHA, which is important for brain and vision development A powerful combination of antioxidants promotes a healthy immune system to give puppies a great start in life High carnitine helps develop lean muscles and strong bones Daily dental protection helps clean teeth and freshen breath Naturally preserved Tastes great – money-back guarantee