What Is Reishi Mushroom Extract? Reishi mushroom extract is derived from Ganoderma lucidum, a medicinal fungus widely revered in traditional Chinese medicine for its immunomodulatory and anti-aging properties. The bioactivity of this extract comes from several secondary metabolites, including triterpenoids like ganoderic acids, along with polysaccharides such as β-glucans and other compounds such as peptidoglycans […]