Cordyceps are endoparasitoids, parasitic mainly on insects and other arthropods. Cordyceps sinensis is mainly present in the Himalayan regions, e.g. in Tibet in China, in Nepal, and in India.
In Chinese medicine and culture, Cordyceps sinensis is regarded as a very precious medicinal herb. For over thousands years, Cordyceps sinensis has been used as a tonic, to increase health and vitality, combat aging and prevent some age-related diseases. Traditional Chinese doctors believe Cordyceps sinensis working on the kidney and lung meridians. It can strengthen the Yin and Yang of our bodies, enabling us to better cope with fatigue, decreased libido, impotence, hyperglycemia, severe exhaustion, respiratory disease, cardiovascular disease, etc. In China, many men believe Cordyceps is the ultimate herb which can substantially boost their sexual performance.