REISHI MUSHROOM EXTRACT 20-1 is obtained from the fungus Ganoderma lucidum which acts as an adjunct to stimulate immunity and enhances tumor response as well. It is used in the treatment of viral infections like swine and avian flu, influenza, bronchitis, heart disease and asthma. It is also effective against kidney disease, high blood pressure, liver disease, high cholesterol, liver disease, chronic fatigue syndrome, HIV, insomnia, ulcers, herpes and cancer. It is used in conjunction with other herbs to treat prostate cancer.