On common, Ceylon black tea incorporates 50mg of caffeine per cup, with variants of Ceylon currently being bigger or reduced. While other sorts of black tea ordinary 47mg of caffeine for each cup. Ceylon handles many different teas that change in caffeine degrees. Green is 35mg, White is 6mg https://danterkcsk.blogdomago.com/30069540/the-does-white-jasmine-tea-have-caffeine-diaries