Complete nutrition for growing puppies. Contains DHA - A nutrient important for healthy brain & vision development. Build: Digestive health. Replenish: Cells of vital organs, including a healthy heart. Nourish: Muscles, bones & joints. 100% Complete & balance nutrition that builds, replenishes & nourishes every day. Build: Digestive Health - Provides a well-balanced diet including amino acids and electrolytes to help a puppy's intestinal cells develop, so he can absorb the nutrients he needs. Healthy Immune System - Formulated with high-quality protein and a special antioxidant blend to help build and support a healthy immune system. Nourish: Muscles - Provides the amino acids and minerals needed to nourish growing muscles; Bones & Joints - Contains a complex spectrum of essential nutrients needed for a puppy's proper growth, including the development of healthy bones and joints. Replenish: Cells of Vital Organs Including a Healthy Heart - Contains all the nutrients needed to support and replenish the cells of vital organs, including a healthy heart. Puppies grow and develop at a rapid rate, so they need up to twice the nutrition of adult dogs. That's why Purina Puppy Chow Complete Nutrition for Growing Puppies is specially formulated with the extra nutrition your puppy needs for proper growth and development. High-quality ingredients come together in a complete and balanced diet that helps build, replenish and nourish your puppy's body non-stop. 100% Complete and balanced nutrition for your puppy's first year, up to two years for large breeds. High-quality protein promotes overall proper development. Great taste encourages a healthy appetite. Animal feeding tests using Association of American Feed Control Officials (AAFCO) procedures substantiate that Purina Puppy Chow provides complete and balanced nutrition for all life stages.