caffeine informer ,also called Dahong pao grown in the Wuyi Mountains of northern Fujian, China. t’s defining features are long, dark, twisted leaves that have been oxidized and baked at moderate levels. Good for brain, bone and dental health. In addition, it may boost your metabolism, decrease your risk of developing type 2 diabetes and protect against certain types of cancer. Steeping guide Amount: 3g /1½ : 100°c, 4 – 5 minutes, refill water 3 0r 4 times