One Cup of Calm in a Chaotic World
L-Theanine: The Gentle Tea Amino Acid That Helps Evenings Feel Softer and Minds Feel Clearer
A single cup of good green tea can feel like a quiet hug for the nervous system: calm, yet somehow still clear-headed. That unique balance comes from one special ingredient: L-theanine.
In this short, YMYL-safe guide written for StopStress.de readers, we look at why millions of people end their day with this gentle tea amino acid — and how you can too.
In this short, YMYL-safe guide written for StopStress.de readers, we look at why millions of people end their day with this gentle tea amino acid — and how you can too.
Where L-Theanine Actually Comes From
L-Theanine occurs almost only in the leaves of the tea plant (Camellia sinensis).
- Every type of real tea contains it: green, black, white, oolong
- Shade-grown varieties (matcha, gyokuro, tencha) have the highest levels
- It survives brewing temperature completely, so every cup delivers the full amount
Why a Cup in the Late Afternoon or Early Evening Feels So Good
As daylight fades, the brain naturally begins to slow down. A cup of high-quality green tea or matcha at 5–8 p.m. simply supports that gentle shift — without ever making you feel drowsy or heavy.
Many people notice that thoughts become quieter, shoulders drop a little, and the transition into the evening feels smoother.
Many people notice that thoughts become quieter, shoulders drop a little, and the transition into the evening feels smoother.
Tiny Habits That Make L-Theanine Even More Pleasant
- Replace the 4 p.m. espresso with a large cup of sencha or matcha
- Turn phones to “Do Not Disturb” and lights down from 9 p.m.
- Create a 10-minute ritual: tea + book + soft music
- Enjoy the tea with a few walnuts or a banana for an extra cosy effect
One Tiny Change Tonight
Around 7–8 p.m. brew yourself a big cup of good green tea or whisk a matcha, dim the lights a little earlier than usual, and simply taste the calm.
That single cup is often all it takes.
That single cup is often all it takes.
The Stop Stress® system – calm by day, quiet by night
The Stop Stress® system supports the body’s natural daily rhythm — helping you stay clear-headed during the day and effortlessly calm in the evening.
Ready to feel the difference a little rhythm can make? Discover the complete Stop Stress® Day & Night range with premium L-theanine at → www.stopstress.de
Enjoy your tea — calm has never been this simple.
- Stop Stress® Day — provides magnesium and B-vitamins (EFSA-authorised nutrients) to support normal psychological function and the normal functioning of the nervous system.
- Stop Stress® Night — combines the traditional valerian + hops duo (on-hold EU claim ID 2680), lemon balm (ID 2302) and pure L-theanine for a gentle, aromatic wind-down.
Ready to feel the difference a little rhythm can make? Discover the complete Stop Stress® Day & Night range with premium L-theanine at → www.stopstress.de
Enjoy your tea — calm has never been this simple.
References and Further Reading
European Food Safety Authority (EFSA). (2023). EU Register of nutrition and health claims – authorised claims for magnesium, vitamin B6, B12, niacin and folate. Retrieved from https://food.ec.europa.eu/safety/labelling-and-nutrition/nutrition-and-health-claims/eu-register-health-claims_en
European Commission. (2023). On-hold botanical health claims: Valerian & hops combination (ID 2680); Melissa officinalis (ID 2302). Retrieved from https://ec.europa.eu/food/safety/labelling_nutrition/claims/register/public/
Nobre, A. C., Rao, A., & Owen, G. N. (2008). L-theanine, a natural constituent in tea, and its effect on mental state. Asia Pacific Journal of Clinical Nutrition, 17(S1), 167–168.
Juneja, L. R., Chu, D.-C., Okubo, T., Nagato, Y., & Yokogoshi, H. (1999). L-theanine — a unique amino acid of green tea and its relaxation effect in humans. Trends in Food Science & Technology, 10(6-7), 199–204. https://doi.org/10.1016/S0924-2244(99)00044-8
European Commission. (2023). On-hold botanical health claims: Valerian & hops combination (ID 2680); Melissa officinalis (ID 2302). Retrieved from https://ec.europa.eu/food/safety/labelling_nutrition/claims/register/public/
Nobre, A. C., Rao, A., & Owen, G. N. (2008). L-theanine, a natural constituent in tea, and its effect on mental state. Asia Pacific Journal of Clinical Nutrition, 17(S1), 167–168.
Juneja, L. R., Chu, D.-C., Okubo, T., Nagato, Y., & Yokogoshi, H. (1999). L-theanine — a unique amino acid of green tea and its relaxation effect in humans. Trends in Food Science & Technology, 10(6-7), 199–204. https://doi.org/10.1016/S0924-2244(99)00044-8
Get in Touch
Write to us or call us. We love communicating with our customers.
Latvia
Brivibas gatve 369 k-2, Riga
t.: +371 67 323 499
hello@stopstress.de
Brivibas gatve 369 k-2, Riga
t.: +371 67 323 499
hello@stopstress.de
The Science articles on StopStress.de are for general educational purposes only and do not constitute medical, nutritional, psychiatric, or regulatory advice. References to nutrients, botanicals, neurotransmitters, hormones, sleep or stress biology describe general scientific or traditional information and do not represent authorised EU health claims. Botanical mentions relate only to traditional use or their on-hold status under Article 13(1). Always consult a qualified healthcare professional before using supplements, especially in case of medical conditions, pregnancy, nursing, or medication use. For authorised claims and botanical on-hold status, please refer to the official EU Register:
https://ec.europa.eu/food/safety/labelling_nutrition/claims/register/public/
https://ec.europa.eu/food/safety/labelling_nutrition/claims/register/public/