PureSport™ Nutritional Performance Sports Drinks with Protein: Human Performance Labs™ superior nutritional performance sports drinks with protein are developed for athletes of all types, from world class professionals to club sport amateurs and weekend warriors. Created by Dr. John Ivy, renowned Chairman of Health and Kinesiology at the University of Texas at Austin, PureSport Workout and PureSport Recovery formulas (patent pending) nutritionally enhance the human body's performance during and after strenuous athletic activity.