Stand aside, epigallocatechin gallate (EGCG). Make way for l-theanine. The rush to break tea down to nothing more than a series of individual components with allegedly miraculous health-giving properties continues.
L-theanine, according to an article that recently appeared in several large newpspapers, will impart to those who consume it numerous awe-inspiring health benefits, not the least of which is focus and concentration. More about this latest tea trend here and here.