L-Theanine features high quality theanine as Suntheanine®, the brand which has been used in scientific studies.
Each vegetarian capsule provides 200 mg consistent with clinical research. .
Research shows Pure L-Theanine is better absorbed and metabolised.
In one study, only Suntheanine® contained Pure L-Theanine whereas generic brands contained D-theanine.
Suntheanine® provides only L-Theanine whereas other brands may not be as Pure or active. L-Theanine is a constituent of green tea. L-Theanine features high quality theanine as Suntheanine®, the brand which has been used in scientific studies