Can a green tea extract boost your brain and calm your stress?
Symptom relief
Completed
This study tests whether a single dose of AlphaWave L-Theanine, a supplement from green tea, can improve mental clarity and reduce stress in healthy adults who feel moderately stressed. Forty participants will take either the supplement or a placebo and complete computer-based th…
Phase: NA • Sponsor: Ethical Naturals, Inc. • Aim: Symptom relief
Last updated Jul 10, 2026 00:00 UTC