L-Theanine 200 mg Plus Gaba 100 mg®
Non-Nutrient / Non-BotanicalBrand: Dr. Mercola
Functions
Net Contents
60 Capsule(s)
Serving Size
2 Capsule(s)
Servings Per Container
30
Supplement Form
Capsule
Bar Code (UPC/SKU)
8 10094 21350 3
Product Version
10440-v100
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 2 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Suntheanine(L-Theanine) | 200 mg | — |
| Gamma Aminobutyric Acid | 100 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested use: Adults, as a dietary supplement, take two (2) capsules daily.
Warnings & Precautions
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if safety seal is broken.
Precautions re: Pregnant or Nursing or Prescription Medications
If you are nursing, pregnant, taking medication or have a medical condition, consult your physician before taking this product.
Formulation
Formula re: Contains
200 mg L-Theanine & 100 mg GABA Per Serving
FDA Statements
FDA Statement of Identity
Dietary Supplement
Other Label Statements
General Statements: All Other Content
Providing quality products since 2001.
Brand IP Statement(s) re: (c), (TM), (SM)
Suntheanine is a registered trademark of Taiyo International, Inc.
Manufacturer & Distributor
Distributor
NHP
125 SW 3rd Place, Cape Coral, FL, 33991, USA
(877) 985-2696
Market Reference
Dr. Mercola L-Theanine Plus GABA 180 Capsules
Vitacost.com4.8(119)$32.99Gaba 5 HTP L-Theanine + Ashwagandha + Lemon Balm & Ginkgo Biloba
Walmart - Minch.Inc$25.99Goodbye Stress Dietary Supplement GABA / L-Theanine / Lemon Balm Extract 100 mg - 50 mg - 75 mg Gummy 42 per Bottle Berry Verbena Flavor
Betty Mills4.3(4100)$19.94Lowest
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Diet Factory
5.0 (26)Vitamin & supplements store
Rue de Paris, 77140 Nemours
Urban-Nutri-Shop Melun
4.8 (138)Vitamin & supplements store
4 Rue Daubigny, 77000 Melun
Sweet Om BB
5.0 (13)Vitamin & supplements store
entrée n°4, Galerie commerciale de Carrefour Villiers-en-Bière, RN 7, 77190 VILLERS-EN-BIERE
Body Coach Center Saint Honoré
4.7 (297)Vitamin & supplements store
70 Rue Saint-Honoré, 75001 Paris
PlantesAFumer — Substituts au Tabac et au Chanvre | Sans Nicotine
4.8 (78)Herb shop
10bis Rue du Moulin Rouge, 77140 Saint-Pierre-lès-Nemours
BioTechUSA Val d'Europe
4.8 (163)Vitamin & supplements store
CC Val d'Europe, 14 Cr du Danube, 77700 Serris
BioTechUSA Belle Epine
4.7 (147)Vitamin & supplements store
Centre Commercial Belle Epine, Rue du Luxembourg Niveau 1, 94320 Thiais
Retour aux sources / Magasin BIO
4.8 (47)Organic food store
11 Rue Gautier 1er, 77140 Nemours
Research & Studies
The effects of L-theanine supplementation on the outcomes of patients with mental disorders: a systematic review
R Moshfeghinia, E Sanaei, S Mostafavi, K Assadian… - BMC psychiatry, 2024 - Springer
… the effects of LT supplementation on the outcomes of patients with mental health disorders. The … by increasing gamma-aminobutyric acid (GABA) production, which is associated with …
202425 citationsRebuttal to Mercola's Article on Hormone Therapy.
L Berkson - Townsend e-Letter, 2024 - go.gale.com
… and metabolic health. Biomed … 100 mg of GABA was sufficient to lower significantly in the score on both scales. Combining it with another GABA agonist amino acid known as L-theanine…
2024l-theanine: From tea leaf to trending supplement–does the science match the hype for brain health and relaxation?
R Dashwood, F Visioli - Nutrition Research, 2025 - Elsevier
… of this nutraceutical supplement marketed for brain health and … in the use of l-theanine supplements at pharmacologic doses … this trending supplement for brain health and relaxation. …
202526 citationsA Randomized, Triple-Blind, Placebo-Controlled, Crossover Study to Investigate the Efficacy of a Single Dose of AlphaWave®l-Theanine on Stress in a Healthy Adult …
M Evans, AC McDonald, L Xiong, DC Crowley… - Neurology and …, 2021 - Springer
… , participants were administered a 200 mg single dose of AlphaWave ® l-Theanine, and the … -term supplementation with AlphaWave ® l-Theanine on moderately stressed healthy adults …
202149 citationsL-theanine: Potential use as a therapeutic agent for psychiatric conditions
DD Cha - 2016 - search.proquest.com
… that L-theanine modulates glutamate reuptake through inhibition and potentiates the effects of GABA, … to have a greatly positive impact on patient populations in the medical community. …
20161 citationsWELL BEING JOURNAL™
P Piero, J Barker - wellbeingjournal.com
… Health in Japan has proven L-theanine’s ability to promote quality sleep. When 200 mg of L-theanine … In addition, the study showed that L-theanine produced a notable improvement of …
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-05-21. DSLD Label ID: 327177. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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