Believe it or not, the Reishi Mushroom, also known as the Lingzhi Mushroom, is one of the oldest mushrooms to have been used in herbal infusions. The herbal supplement experts in China have the advantage of centuries of research and experience in the effects of various plants and herbs. When you consider how bitter tasting many of the more beneficial supplements are, it is impressive that the Chinese were able to gather the information they collected. Down through the centuries, the reishi mushroom has been said to have properties that can benefit and encourage good health.