Dog Food, Sweet Potato & Bison Formula, for Adult DogsComplete and balanced for all breeds. Buy with Confidence: quality; nutrition experts; safety; 100% satisfaction. Limited Ingredient Diets: grain free. What are L.I.D. Limited Ingredient Diets? Natural Balance L.I.D. Limited Ingredient Diets are designed with a limited number of protein and carbohydrate sources. Scientifically formulated to provide high quality nutrition and to help optimize your dog's skin and coat. Protein with a Purpose: Bison is a u...