Host Defense Cordyceps uses activated, freeze dried, certified organic mushroom mycelium, containing a full spectrum of constituents as polysaccharides, fatty acids, and an array of extracellular constituents, including enzymes, antioxidants and other myco nutrients, essential for supporting natural immunity. It support increased oxygen uptake and higher endurance levels. Cordyceps supports healthy sexual functioning, healthy kidney function and increases body's natural metabolic systems.