Cs is the abbreviation of Cordyceps sinensis; During the research and development of Cordyceps mycelium, researchers screened out the most effective strain "4" from more than 200 strains numbered 1, and it was later included in China Pharmacopoeia.

Cordyceps mycelium culture Cs-4 is cultivated by Paecilomyces hepialus (Cs-4), the top wild Cordyceps in Tibet. The components of Cordyceps sinensis, including cordycepic acid, Cordyceps polysaccharide and adenosine, have high concentration, high stability and more remarkable efficacy, which can be compared with other cultivated Cordyceps sinensis.

The nine functions of cultured Cordyceps mycelium Cs-4 are to improve insomnia, relieve nasal allergy symptoms, nourish yin, promote cardiovascular health, enhance the body's resistance, promote the health of upper respiratory tract and lungs, and promote rehabilitation and nourishing after illness, which has beauty effects.