Named after the chinese goddess of mercy Guanyin, this tea has a rich taste while also promoting anti-aging, anti-cancer, anti-atherosclerosis. It may also work for diabetes control, slimming aerobics, and prevents tooth decay. Tie Guan Yin is also known for being "the hang over tea" where if you have been celeberating a little too much than you should have, it assists the cleansing of the liver and relieves the post party morning headache.