Solid evidenceamino_acid
L-Theanine for Stress
L-theanine increases alpha brain wave production (8-14 Hz), creating a relaxed-but-alert mental state. It reduces cortisol and enhances GABA activity, counteracting the physiological effects of acute and chronic stress.
How strong is the research?
Solid evidence
How much to take
200–400 mg
Works within 30-40 minutes for acute stress. Can be combined with ashwagandha for comprehensive stress support.