Hill's Science Diet Puppy dry food is rich in flavour & carefully formulated with vital nutrients to support 5 essential building blocks for lifelong health, so they get the best start in life & grow to their full potential. DHA from fish oil offers support for healthy brain and eye development while high-quality protein helps build lean muscles. A breakthrough blend of prebiotic fibers supports the gut microbiome and digestive system. Balanced minerals aid in the development of strong bones & teeth and vitamin E and Omega-6s support healthy skin & coat.