Victor Grain Free Hero Canine formula with Glucosamine is a super premium 33% Protein Grain Free dog food. Over 75% of the protein comes from a combination of Beef, Chicken, Pork and Fish Meal . USA sourced Peas and Sweet Potato make up the majority of the carbohydrates. Victor Grain Free Hero Canine Formula also included are Multiple scientifically advanced additives from Alltech that work to support both Digestive and Immune system health. This nutritionally balanced food is an excellent choice for all highly active adult dogs, and especially for large breeds that may be susceptible to joint issues later in life.