Introducing the new and improved OptygenHP formula, now available in its most potent form yet. It contains Rhodiola that's twice as strong as the original formula. OptygenHP also contains BetaAlanine because clinical research has shown it increases exercise capacity and muscular strength. The two main adaptogens in OptygenHP Rhodiola and Cordyceps CS4 were first used by Tibetan Sherpas to help them climb Mt. Everest. OptygenHP utilizes these two unique adaptogens because clinical research on elite endur