It is at a dogs puppy stage that protein is most needed. It helps with their overall development, the formation of their bones and muscles, and the strengthening of their immunity. This enhanced nutrition formulation contains 32% protein, just the right amount recommended to support healthy growth. Its good to know that this also comes with added DHA from Fish Oil to aid in brain development, more antioxidants to boost the immune system, and 6 essential nutrients for a healthy heart.