Hill's Science Plan Canine Large Breed Puppy Chicken Dog Food is formulated for healthy skeletal development in large breed puppies. It includes proven antioxidants and optimal mineral levels to ensure your puppy grows strong bones and joints. Key Benefits With optimal mineral levels for healthy skeletal development. With quality proteins and L-carnitine to support lean muscle. Clinically proven antioxidants for a healthy immune system. Made with high-quality ingredients for great taste.