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® Sweet Potato ' Fish Canned Dog Formula is a grain-free diet that is also designed to maintain your dog's digestive health while supporting healthy skin and a shiny, luxurious coat.