L-Theanine 200 mg Plus Gaba 100 mg®

Non-Nutrient / Non-Botanical

Brand: Dr. Mercola

CapsuleNon-Nutrient/Non-BotanicalOn Market
Click to view full label

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.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

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

IngredientAmount Per Serving
Suntheanine(L-Theanine)200 mg
Gamma Aminobutyric Acid100 mg

Not Present

Other Ingredients

Microcrystalline CelluloseHydroxypropyl MethylcelluloseAscorbyl PalmitateMedium Chain TriglycerideSilicon DioxideGum Acacia

Target Groups

Adult (18 - 50 Years)

Label Claims

All OtherStructure/Function

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

$19.94 – $32.99· 3 listings
  • Dr. Mercola L-Theanine Plus GABA 180 Capsules

    Vitacost.com4.8(119)
    $32.99
  • Gaba 5 HTP L-Theanine + Ashwagandha + Lemon Balm & Ginkgo Biloba

    Walmart - Minch.Inc
    $25.99
  • Goodbye 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 citations
  • Rebuttal 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…

    2024
  • l-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 citations
  • A 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 citations
  • L-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 citations
  • WELL 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.