Mixed Herbal Tea (SUGAR FLOW) is blended 12 kinds of teas such as Mulberry and Chinese Senna. This tea is good and safe choice for those who are concerned with glucose levels in the body.Oolong tea is a traditional Chinese tea categorized as green tea. It actually stands between green tea and black tea because it is partially fermented. The name oolong tea came into the English language from the Chinese name (烏龍), meaning "black dragon" because tea leaves darken and take on a twisted shape after fermentation. Oolong tea is different from green tea in some ways such as containing less caffeine.