Ginsana Energy is an all-natural standardized ginseng extract. Ginseng has been shown in well-controlled clinical studies to facilitate oxygen absorption and utilization, Enhanceing the body make the most of its natural energy. Since the human body needs an ample supply of oxygen to function properly, it is imperative that the body be able to absorb and utilize oxygen when needed. Oxygen absorption is regarded as the most important indicator in the assessment of physical fitness for peak performance and endurance. Only Ginsana Energy contains premium G2G ginseng, an all-natural standardized extract. Each Ginsana capsule is standardized, so it contains an equal and optimum amount of G2G.