Formulated with a limited list of premium protein and carbohydrate sources, this L.I.D. Limited Ingredient Diets formula is excellent when you are seeking alternative ingredients for your pet. L.I.D. Limited Ingredient Diets Chicken & Sweet Potato Formula Dry Dog Food is a grain-free diet that’s also designed to maintain your dog’s digestive health while supporting healthy skin and a shiny, luxurious coat. You can find Natural Balance online or at your local Pet Specialty Store.