The polysaccharide,extracted from the mycelia of Ganoderma lucidum,is a biological active substance with multiple pharmacological and health functions.It is a glucan with an helical configuration and is not strictly a pharmaceutical,but many people use it as a health supplement.polysaccharide can stimulate both non-specific and specific immune responses in the host,enhance the activity of macrophages,NK cells,and T cells,and thereby enhance the body’s immune system.In addition,polysaccharide has anti-tumor,antioxidant,anti-hypertensive,and anti-diabetic effects.