Hill's Science Diet Puppy is a specially formulated diet for puppies up to one year old. It is made with high-quality ingredients that provide complete and balanced nutrition for your puppy's growth and development. It contains optimal levels of calcium and phosphorus to promote strong bones and teeth, and is formulated with clinically proven antioxidants to support a healthy immune system. Plus, it has natural DHA from fish oil to support healthy brain and vision development. Hill's Science Diet Puppy is complete and balanced nutrition for your growing pup.