Brand: Jarrow Formulas

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

Net Contents

60 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

60

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 90011 15057 2

Product Version

07213THE200 PROD # 115057

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Free From

  • Milk
  • Egg
  • Fish
  • Peanut
  • Wheat
  • Soy
  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Capsule(s) · 1 per day

IngredientAmount Per Serving
L-Theanine200 mg

Not Present

Other Ingredients

CelluloseMagnesium StearateSilicon DioxideCapsule

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

USAGE: Take 1 capsule with water or juice on an empty stomach or as directed by your qualified healthcare professional.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

NOTE: If you have a medical condition, are pregnant, lactating, trying to conceive, under the age of 18, or taking medications, consult your healthcare professional before using this product.

Precautions re: Children

NOTE: If you have a medical condition, are pregnant, lactating, trying to conceive, under the age of 18, or taking medications, consult your healthcare professional before using this product.

Precautions re: Children

Keep out of the reach of children.

Formulation

Formulation re: Does NOT Contain

No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.

FDA Statements

FDA Disclaimer Statement

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

FDA Statement of Identity

DIETARY SUPPLEMENT

Other Label Statements

General Statements: All Other Content

Theanine is a unique amino acid found almost exclusively in green tea that exerts beneficial effects on brain metabolism.* Theanine induces relaxation without causing drowsiness, as measured by increased generation of alpha-waves.* Theanine may improve learning ability and sensations of pleasure by affecting dopamine and serotonin neurotransmitters in the brain.* Also, theanine exerts protective effects on the brain by mitigating glutamate toxicity.*

Brand IP Statement(s) re: (c), (TM), (SM)

Jarrow Formulas(R) Theanine is made enzymatically from amino acids and is identical to the theanine found in green tea.

General Statements: All Other Content

Lot #. Best Used Before:

General Statements: All Other Content

Neurologically-Active Amino Acid Promotes Relaxation* Supports Learning Ability*

Seals/Symbols

Suntheanine(R)

Brand IP Statement(s) re: (c), (TM), (SM)

Suntheanine(R) is a registered trademark of Taiyo International, Inc.

General: Product/Version Code

07213THE200 PROD # 115057

Brand IP Statement(s) re: (c), (TM), (SM)

(C) 2013 Jarrow FORMULAS(R)

Manufacturer & Distributor

Distributor

Jarrow Formulas Superior Nutrition and Formulation

P.O. Box 35994, Los Angeles, CA, 90035-4317

Market Reference

$12.74 – $109.99· 26 listings
  • Jarrow Formulas Theanine 200 mg. 60 Capsules

    superbhb.co.uk4.8(1100)
    $34.49
  • Jarrow Formulas Theanine 100 mg 60 Capsules

    Jarrow Formulas4.8(1000)
    $16.99
  • JARROWS Jarrow Formulas Theanine 200 mg L-Theanine for Relaxation and Wellbeing

    GoSupps.com
    $109.99
  • Jarrow Formulas Theanine 200mg High Dosed 60 Vegan Capsules Lab Tested Gluten Free Soy Free Vegetarian Non-GMO

    GoSupps.com4.8(1100)
    $89.99
  • L-THEANINE 200 capsules

    NutriKey4.8(27)
    $21.50
  • Dr aziz L-Theanine Supplement

    Dr Aziz Pharmacy
    $37.71
  • Nootropics Depot L-Theanine Capsules

    Nootropics Depot4.5(15)
    $15.99
  • L-Theanine 200 mg 3 Bottles

    Walmart - Gflow Vitamins
    $29.97

Where to Buy Locally

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Research & Studies

  • L-Theanine Nootropic Review: Benefits, Side Effects & Dosage

    HMDLT Cost - nootropicology.com

    … health food stores, online retailers, and supplement shops. Reputable brands like NOW Foods, Jarrow Formulas… Many studies have shown benefits at 200 mg per dose. Some users find …

  • The beneficial health effects of green tea amino acid l‐theanine in animal models: Promises and prospects for human trials

    J Williams, D Sergi, AJ McKune… - Phytotherapy …, 2019 - Wiley Online Library

    … Supplementation regimens in mice have also shown that l-THE at a dose of 80 mg/kg and cysteine (200 mg/kg) per day can enhance serum antigen-specific IgG production by …

    201983 citations
  • 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 … the use of l-theanine supplements at pharmacologic doses by … this trending supplement for brain health and relaxation. …

    202526 citations
  • Improvement of both human and animal memory by synergy between fructooligosaccharide and L‐theanine function establishing a safe and effective food supplement

    Y Li, Y Jiang, Z Zhang, VIP Loake, X Bao… - Food science & …, 2024 - Wiley Online Library

    … of healthy adults after 1 month of consumption. Our results suggest that a combination of FOS and L-theanine … Also, the KM mice administered with 200 mg/kg L-theanine exhibited both …

    202412 citations
  • Keyora Research Notes Series (L-Theanine Episode 10): Mapping L-Theanine to Your Neurobiology-Safety, Dosage, and Functional Timing Protocols

    J Xu - Keyora Nutritional Neurology, 2025 - academia.edu

    … Sixteen healthy volunteers received alprazolam (1 mg), L-theanine (200 mg) or placebo in a … windows: 150–200 mg before high-stakes decisions 200–300 mg for burnout prevention & …

    2025
  • The effect of oral supplementation of L-Theanine and Stress formula vitamin on the stress reduction

    W Mongkonsritragoon - 2015 - mfuir.mfu.ac.th

    … , but adding more of these vitamins in supplement form will not promote better health uses … administered L-Theanine 200 mg or Stress formula vitamin (Stresstab 600 mg) on Mental …

    2015

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2014-02-26. DSLD Label ID: 30163. 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.