NutriSource Grain Free Heartland Select with Bison Dry Dog Food provides super premium nutrition in a scientifically formulated easy to digest food. Real Bison is the #1 ingredient that features excellent palatability, digestibility, and tastes dogs love. Bison & Chicken are a source of high quality proteins to help maintain your dogs muscle mass and strength. Heartland Select Grain Free features the NutriSource exclusive Good 4 Life system and is made with the finest quality ingredients available. NutriSource Heartland Select Grain Fee combines Bison & Chicken and carefully selected ingredients in the precise blend to balance all essential nutrients necessary for optimum health, well being and long life. Readily available nutrients in Bison & Chicken go to work on the inside, resulting in less waste. Grain Free Heartland Select Dry Dog