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.*The facility in which this food is made also makes food that may contain other ingredients, such as grains. Trace amounts of these other ingredients may be present.