Eukanuba Puppy Large Breed Dry Dog Food is developed by animal nutritionists to feed your dog as they're meant to be fed. High-quality animal protein and optimal levels of calcium to phosphorus help support lean muscle mass and the bone development of your large breed puppy. Plus, this recipe is formulated with clinically proven levels of DHA for smarter, more trainable puppies. It fuels growth and play with optimized fat and carbohydrate levels and includes a natural fiber and prebiotic blend to support your puppy's digestion. This formula also includes guaranteed levels of vitamin E to help support natural immunity. Eukanuba's complete nutrition helps get your large breed puppy's life off to an extraordinary start.