Pure L-Theanine (Suntheanine®) is an amino acid produced by a fermentation process that mimics the process in green tea. L-Theanine is well studied and has been shown to promote calm and relaxation throughout the day by promoting alpha wave activity in the brain. As it does not create drowsiness and promotes concentration, L-theanine is a perfect calming agent when increased mental focus and attention are needed. Eases occasional stress*. Promotes focus and attention*. Supports healthy sleep quality*.