Optimum performance requires the maintenance of blood glucose, as well as muscle and liver glycogen.
GU taken before, during, and after exercise maintains energy levels and promotes recovery. GU works because each of the natural ingredients was specifically selected to optimize performance. GU is the first sports energy gel to provide balanced nutrition while enhancing athletic performance. GU's breakthrough formula can help you get the most out of your activity, whether you're a runner, cyclist, hiker, or fitness enthusiast. GU tastes great and acts quickly to give you lasting energy.