L-Theanine
L-γ-glutamylethylamide
Moderate
An amino acid from tea that promotes calm focus and relaxation without drowsiness.
How It Works
Increases alpha brain waves and modulates GABA, serotonin, and dopamine levels.
Natural Food Sources
| Food | Amount per Serving |
|---|---|
| Green tea | 20-30mg per cup |
| Black tea | 25mg per cup |
| White tea | 10-15mg per cup |
| Matcha | 40-50mg per serving |
Safety Information
Contraindications
- None known - very safe profile
Potential Side Effects
- Mild headache (rare)
- Dizziness (rare)
Disclaimer: The information provided is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Always consult with a qualified healthcare provider before starting any supplement regimen.