Veterinarian tested and proven natural dry dog food formula for dogs, with a unique single source protein and single source carbohydrate blend. Sweet Potato & Fish Natural Dry Dog Food Formula combines a single source of animal protein that most dogs have not been exposed to, and a single source of carbohydrate not commonly found in dog foods, along with effective natural ingredients to help rebuild the dog's immune system. Our L.I.D Limited Ingredient Diets formula is free from grain, corn, soy and wheat. Smaller kibble for smaller breeds, same great natural dry dog formula. Complete and balanced high quality ingredients for adult maintenance.