Nutrena True Puppy Food is specially formulated to give puppies the protein and energy needed to grow healthy and strong. A healthy start begins with DHA from fish oil to support brain development plus calcium and phosphorous for proper bone development. For better immunity support and digestion, it’s packed with research-proven TruMune® power. Fit for all life stages, each serving meets the unique needs of growing puppies as well as pregnant or nursing dogs.