Rockstar Energy is scientifically formulated to provide an incredible energy boost for those who lead active and exhausting lifestyles—from athletes to rock stars. Available in over 20 amazing flavors across the world, Rockstar supports the Rockstar lifestyle across the globe through Action Sports, Motor Sports and Live Music. Rockstar Original energy drink is packed with Guarana, B-Vitamins, Taurine and 160 mg of caffeine in every can.