A protein-based diet free of grains most closely mimics a dog's ancestral diet. That's why the first ingredient in this Diamond Naturals Grain-Free formula is real meat for great taste and nutrition. Sweet potatoes provide complex carbohydrates for all-day energy, while vegetables and fruits add powerful antioxidants for health and vitality. | Diamond Naturals Grain-Free Beef and Sweet Potato Formula, All Life Stages Dry Dog Food | Size 28 lbs