Taken alone, the popular supplement L-Theanine has been show in research to be an effective mood enhancer. But when this safe amino acid is combined with caffeine, such as in SuprNatural coffee blends, there can be a pronounced, clinically proven, synergistic effect. This means you may experience heightened focus, awareness, and energy, as well as reduced stress and improved mental endurance to even higher levels. All this while enjoying fewer of the jitters and anxiety that caffeine can sometimes deliver. Discover the zen of SuprNatural coffee blends from the experienced team at Geek Grind and rediscover coffee again!