Sometimes what?s NOT in your dog?s food is just as important as what is. That?s the guiding philosophy behind Natural Balance L.I.D. Limited Ingredient Diets Sweet Potato & Bison Formula, a super premium dry dog food made to help feed your dog?s greatness. Our sweet potato and bison formula is crafted with purposefully selected ingredients: gluten-free carbohydrate sources to help provide your dog with energy and a single source of animal protein to help maintain strong, lean muscle. What you won?t find on our carefully crafted ingredients list are fillers, added corn, wheat or soy, or artificial flavors, colors or preservatives. Limited Ingredient Diet|Super premium dry dog food|Gluten-free carbohydrate sources and a single source of animal protein to help with energy and to maintain strong, lean muscle|No fillers, added corn, wheat or soy, or artificial flavors, colors or preservatives.