Natural Balance Reserve Grain Free Duck & Potato Puppy Recipe Dry Dog Food. Limited Ingredient Reserve Grain Free Duck & Potato Puppy Recipe Dry Dog Food provides complete and balanced nutrition with bite-sized kibble made for puppies’ small jaws. Crafted with a limited list of premium protein and vegetables, this grain-free recipe supports full-body health and is easy to digest. Plus, it's fortified with DHA to help support healthy brain development. Duck is the number one ingredient and the single animal protein source Potatoes provide grain-free sources of fiber for digestive health; cassava flour for gluten-free, easy-to-digest carbohydrates Purposefully crafted using a limited number of ingredients that support your growing dog's overall health and wellbeing Added Taurine helps protect your puppy's healthy heart; DHA from marine sources support their neural development Uniquely shaped and textured kibble to fit a puppy's smaller jaws and developing teeth Life Stage: Puppy Available Sizes: 4 lb / 22 lb