Optygen uses a unique blend of adaptogens to increase the body's ability to adapt to high levels of physical stress, increase VO2Max, improve the body's ability to utilize oxygen more efficiently, increase anaerobic threshold and reduce lactic acid For best results, Optygen should be used consistently for many months Contains: 200mg Chromium (as Chelavite amino acid Chelate), 1000mg Cordyceps CS4 (Cordyceps Sinensis) (mycelia biomass) minimum 7% cordycepic acid, 800mg ATPro Matrix (Calcium Pyruvate, Sodium Phosphate, Potassium Phosphate, Ribose, Adenosine) 300mg Rhodiola Extract (Rhodiola Rosea)(root) minimum 2.5% salidrosides minimum 3.0% rosavins Third party online sales strictly prohibited by manufacturer