Puppy food formulated to provide the quality nutrition required for growing puppies. The specific balance of protein and energy helps to support the controlled healthy growth desired in medium to large breed performance canines. Native Puppy is also suitable for adult dogs with light to moderate activity levels, including seniors and those that are pregnant or lactating. Contains wholesome grains, and no corn, wheat, or soy. Naturally healthy with meat meals and grains containing no chemical preservatives or artificial colors. Includes NutriVantage Nutrition Optimizer which is an exclusive blend of organic macromolecules, trace minerals, antioxidants, and chelating agents. Ph.D. nutrition staff adds this exclusive blend to this proprietary dog formula to optimize the nutrition offered to your dog's digestive tract.