Immune blend to help prepare your puppy's healthy immune system. Healthy Life Nutrition: high quality protein for growing muscles; DHA omega fatty acid for healthy brain & vision development; 23 vitamins & minerals including antioxidants. Healthy Nutrition (Meets or exceeds AAFCO daily recommendations): protein for growing muscles; vitamins & minerals for overall good health; whole grains for digestive health; DHA for healthy brain & vision development; ImmunBlend to help prepare your puppy's healthy immune system. Health Benefits with ImmunBlend: So you can be sure that you're getting your puppy off to a great start, Purina Puppy Chow brand Puppy Food has been formulated with ImmunBlend - a blend of antioxidants and other nutrients to help prepare your puppy's healthy immune system. Complete & balanced for large breed puppies. Large breed puppies, those weighing over 50 lbs. at maturity, have special nutritional needs. That's why Purina Puppy Chow brand Puppy Food Large Breed Formula is formulated with and appropriate ratio of protein to fat in a complete and balanced formula for your large breed puppy. This formula targets the nutritional areas that are important to the proper development of large breed puppies: healthy growth rate and bones & joints. Managing caloric intake as directed on this package helps you feed your large breed puppy to an ideal body condition, which helps keep muscular and skeletal growth rates at an ideal pace. Purina. Your pet, our passion. At Purina we're unconditionally devoted to pets. We've dedicated over 75 years to developing high-quality products that satisfy the needs of dogs and cats.