Endurance Multi-V is unlike any other multivitamin available. This unparalleled formulation contains a number of special ingredients (besides vitamins and minerals) that address the unique requirements of endurance athletes. In addition to having the highest-quality, most bio-available vitamins and chelated minerals available, this special endurance formula delivers clinically effective doses of digestive enzymes that improve carbohydrate utilization and time to exhaustion, Green Tea for improved endurance capacity and fat utilization, and Zinc for enhanced muscle recovery.