On normal, Ceylon black tea is made up of 50mg of caffeine per cup, with variants of Ceylon becoming better or lessen. While other kinds of black tea average 47mg of caffeine for each cup. Ceylon covers a range of teas that differ in caffeine concentrations. Green is 35mg, https://isarizonagreenteagoodfory87281.acidblog.net/62034359/5-essential-elements-for-does-green-tea-with-jasmine-have-caffeine