Reishi mushrooms have been popular for at least two thousand years in the far east, they were rated number one on ancient Chinese lists of superior medicines, and were believed to give eternal youth and longevity.

Today, Reishi mushrooms are used to prevent high blood pressure and heart disease, to control and lower cholesterol, to build resistance to disease and to treat fatigue and viral infections. They are also known to have anti-tumor properties valuable in treating cancer.