Pure, Clean Energy. Our Cordyceps Double Liquid Extract is the perfect way to access the great potential that the mushroom has to offer. The use of the mushroom originated in the mountains of Tibet and Nepal and it has since been extensively used in many traditional Asian cultures for centuries. The Cordyceps mushroom is now a well recognised mushroom and it is consumed all over the world. The mushroom contains bioactive compounds such as cordycepin and ergosterol.