Blue Buffalo Wilderness Chicken Recipe Grain-Free Dry Dog Food is designed to satisfy the spirit of your dog’s inner wolf. With real chicken as the very first ingredient, this high-protein, grain-free recipe helps build and maintain lean muscle mass. It also contains antioxidant rich LifeSource Bits, vitamins, minerals and other nutrients, plus complex carbohydrates from fruits and veggies to provide your adult dog with the energy he needs. He’ll howl with delight after every bite!