Doctor’s Best – L-Theanine with Suntheanine® (150mg) 90vc

L-Theanine is an amino acid commonly extracted from green tea leaves. It promotes relaxation, focus and memory, and supports a healthy stress response. Suntheanine® is a patented pure form of L-theanine produced via an enzymatic fermentation process. Studies show that Suntheanine® crosses the blood-brain barrier within 30 mins of intake, promoting alpha brain waves and signifying a relaxed, alert state.