Hello,
Wulong Tea, or Oolong as it is more commonly known in the West was most recently thrust into the spotlight again because of an Oprah Winfrey mention., but it's been around for years.
The “oolong tea” diet in which you drink five or six cups of oolong a day and its diuretic effect creates the illusion that you are shedding real pounds, but it's only water weight not fat. So, it's not permaneny weight loss. Addditionally, as it is considered a diuretic, it can be dehydrating if you do not drink enough water during the day.