Grain Free Chicken with Sweet Potato & Herbs is a recipe rich in amino acids and. A single protein source of Chicken, a highly palatable protein, contains a minimum of 50% Chicken, including 28% freshly prepared meat. Formulated without grain, this diet uses Sweet Potato as a highly digestible and tasty carbohydrate source. This veterinary recipe also includes omega 3 supplements. Naturally preserved with rosemary extract and mixed tocopherols.