Boryung Pyogo is herbal health drink extracted from about 10 medicinal herbs including oak mushroom, ling chju mushrooms, ginseng, the fruit of Chinese matrimony vine, jujube, cnidium officinale and angelica sinensis.Oak mushroom is a major element(64%). And as found in the recent clinical test, lentinanem containing a lot in oak mushroom turned out as anti-cancer element.And oak mushroom, amajor element, contains plenty of eritadenine reducing cholesterol level, and its function as anti-cancer by various polyene products is proved as excellent .Also there are plenty of B1,B2, D and niacin, and it contains mineral like Ca,K,P and so on.