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SleepStress & Nerve

🍵 L-Theanine

Overview

An amino acid in green tea that raises alpha-wave activity, supporting relaxation and focus.

Description

An amino acid from green tea that increases alpha brain waves, promoting relaxation without drowsiness while improving focus.

Key Benefits

Stress Relief

Reduces cortisol levels and increases alpha brain waves.

Focus Enhancement

Synergistic focus improvement when combined with caffeine.

Sleep Quality

May improve sleep quality when taken before bedtime.

Clinical Research

reviewNutrients · 2019

Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults

rctAsia Pacific Journal of Clinical Nutrition · 2008

L-theanine, a natural constituent in tea, and its effect on mental state

metaPlant Foods for Human Nutrition · 2021

Effects of L-Theanine on Cognitive Function: A Systematic Review

Each paper links to its original PubMed record.

MFDS Status

Listed (Notified)

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