What is it?
Cordyceps is a fungus that grows on the larvae of the caterpillar Hepialus armoricanus Oberthuer.

What does it do?
This fungus is known to improve energy levels through ATP production with increased oxygen utilization, which may enhance aerobic capacity and athletic endurance. It is used for a wide range of conditions including fatigue, sexual dysfunction, coughs, and as an adaptogen or immune stimulant.