L-Theanine Capsules

L-Theanine is a nootropic found in tea leaves that promotes relaxation and sleep and can be combined with caffeine for improved cognitive performance and focus. Promotes sleep quality (ref)* Increases alpha brain waves (ref)* Stress Support (ref)* When combined with caffeine, supports cognitive performance (ref)* General Recognized As Safe (GRAS) by U.S. FDA (ref)   L-Theanine is an amino acid which naturally occurs in tea leaves and some forms of mushrooms. Tea (Camellia sinensis) contains 1-3% of L-theanine. It is used in a supplemental form isolated directly from tea leaves or prepared via chemical synthesis or biosynthesis (1). Green, black, oolong and white tea all contain L-Theanine in varying amounts (2). Green tea and black tea contain the highest amounts of L-theanine, but the studies are conflicted about which of the two has the most (3). L-Theanine Mode of Action L-Theanine promotes sleep quality due to its ability to promote relaxation by increasing alpha-brain wave