Scientifically known as Gynostemma Pentaphyllum or “Jiaogulan”, meaning twisting vine orchid. This herb is indigenous to southern China, northern Vietnam, southern Korea, and Japan. Reputed to have powerful antioxidant and adaptogenic effects, assisting the body to maintain homeostasis. These effects may include regulating blood pressure, immune system, improving stamina and energy. Note that this is an herbal infusion and not a tea, which will not contain any caffeine. Naturally sweetness that can be enjoyed hot or cold, morning or night. Blue tea is grown in both Guangxi and Sichuan.