Coriolus versicolor, also known as turkey tail mushroom, is used in traditional Chinese medicine to enhance immune function and energy. Research indicates an immunomodulatory effect and promotion of white blood cell number and function, including lymphocyte, macrophage and NK cells. It has also been shown to support antibody production, cytokine balance and a healthy gut microflora. The main bioactive compounds in this mushroom are polysaccharides, namely betaglucan. Pure Encapsulations' Coriolus extract is wild-crafted and organic, produced using only carefully controlled hot water to break apart the cell walls for concentration of the soluble beta-glucans.