Doctor's Best Suntheanine L-Theanine -- 90 Vegetarian Capsules

What the brand says

Suntheanine is the premier, patented form of the amino acid L-theanine. Suntheanine is the purest for of L-theanine on the market today. L-theanine is an amino acid derived from green tea that is responsible for the relaxation-inducing effect of tea consumption. Suntheanine has been shown to promote an alert state of relaxation. This is characterized by an increase in alpha brain waves (signifying a relaxed, alert state) and a decrease in beta brain waves (signifying an awake, excited state of mind). Suntheanine may also improve sleep quality, enhance mental acuity and soothe away tension and nervousness.Promotes a relaxed state without drowsinessEases stress and everyday nervous tensionPromotes a positive mood and alertness