First Endurance Optygen Supplement

Increase your oxygen utilization and adapt to high levels of physical stress with First Endurance Optygen Supplement. This stimulant-free formula uses two main adaptogens first used by Tibetan Sherpas to help them climb Mt. Everest. Optygen increases your bodys anaerobic threshold and reduces lactic acid build up through the use of ATPro, a mixture of five key nutrients that lead to efficient ATP production. First Endurance formulated this supplement based on clinical trials to benefit a variety of endurance athletes including runners, cyclists, triathletes. Optygen works best when taken regularly over a long period of time.