http://www.amazon.com/Organic-Cordyceps-Sinensis-Extract-Powder/dp/B00VIFQ460
Cordyceps sinensis has been a highly prized, expensive, and elusive nutraceutical for most of the 20th century. It has been popular among athletes since it was reported that the Chinese track team used it in the 1993 championship to help them set nine world records. This was not a coincidence and there are a number of compelling reasons athletes of all types should consider supplementing with this potent fungus.