L-Theanine is a unique amino acid found in green tea that supports relaxation, mental focus and a healthy stress response. This formula contains Suntheanine®, a patented form of L-theanine that has been the subject of numerous safety studies and human clinical research. Research has shown that supplemental L-theanine crosses the blood-brain barrier within 30 minutes of intake and exerts its effects directly on the brain. L-Theanine is best known for its unique ability to support relaxation without causing drowsiness.
Doctor’s Best creates vitamins and supplements using science-based techniques that combine natural ingredients using thoroughly researched and tested methods. Doctor’s Best is committed to transparency and education, and uses only certified cGMP facilities to ensure the highest quality standards are met.