Support your energy levels and a healthy metabolism with zhou’s premium Green tea extract supplement. Our purposeful blend of polyphenol catechins and epigallocatechin gallate (EGCG) from green tea leaves helps support healthy cells, fat oxidation, and a healthy immune system. Enjoy all the benefits of this potent extract plus the gentle energy you’ll get from caffeine and L-Theanine. Get all the focus without the crash or jitters, And you’ll be ready to get out and own your day. Simply take as directed for best results.