zakiit replied: "I wish I knew. I tried going cold turkey and was a quivering wreck! My grandmother had to send me her supply from within Germany and then my mother sent me 200 more tea bags from UK.
I do not know, try cutting down one cup per day for a week, then two for a week ........ until you have only one or two during the whole day. Expect a few headaches on the way, but it will be worth it! Good luck."