Expiration date is 2/2020, thus the sale.
Cordyceps sinensis has been described as a medicine in old Chinese medical books and Tibetan medicine. It is a rare combination of a caterpillar and a fungus and found at altitudes above 4500m.
Cordyceps (Cordyceps sinensis), was traditionally reputed as a precious longevity-supporting herb, but now considered a mushroom, is widely recognized for it's energy and cardio support.
A Tibetan doctor long ago said I should take this. He thought it was a powerful remedy. A little weird where it grows or comes from. But there you go.