Natural Balance Reserve Grain Free Duck & Potato Recipe Dry Dog Food. Limited Ingredient Reserve Grain Free Duck & Potato Recipe Dry Dog Food provides complete and balanced nutrition. Crafted with a limited list of premium protein and vegetables, this grain-free recipe supports full-body health and is easy to digest. 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 adult dog's overall health and wellbeing Added Taurine helps protect your dog's healthy heart All dogs will enjoy our delicious recipes, not just those with dietary sensitivities Life Stage: Adult Available Sizes: 4 lb / 12 lb / 22 lb