Tea is a very good drink and has a good reputation as a national drink. Tieguanyin is a mild fermented tea. Drinking it can prolong life, which is a bit exaggerated, but it is good for your health, that's for sure! Drinking tea regularly can refresh the brain, help digestion and lose weight, prevent colds, moisten the throat and strengthen teeth, and inhibit the reproduction of various germs. People with cold stomach should drink less. Drink lightly and enjoy after breakfast. You'd better not drink at night. It is sold online, and Tieguanyin produced in Anxi, Fujian is the best.