Host Defense Mushroom Codyceps is made with U.S. grown organic mushroom mycelium, which is loaded with a full spectrum of health compounds, including polysaccharides, glycoproteins, ergosterols, triterpenoids, and other myco-nutrients. CORDYCEPS is considered by Traditional Chinese Medicine to be a cure-all since its health benefits range from supporting liver and nerve function, to improving energy production, enhancing oxygen utilization and increasing circulation.