Magic Oolong Tea Heat-Clearing Tea is based on the study of institute of Medical Literature, Chinese Academy of Chinese Traditional medicine. They purposely collected effective folk recipes and secret recipes of imperial court, and finally selected them through screening by numerous tests. This product is manufactured with advanced scientific method and state-of-the-art processing. It is a highly concentrated extract from purely natural materials. The advantage of this product is easy administration without side effects. It is applicable to males and females of all ages.