Theanine 200 mg®

Non-Nutrient / Non-Botanical

Brand: Jarrow Formulas

CapsuleNon-Nutrient/Non-BotanicalOff Market

Product label for Theanine 200 mg — Click to view full label

Net Contents

60 Veggie Cap(s)

Serving Size

1 Capsule(s)

Servings Per Container

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 90011 15057 2

Product Version

04521THE200 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.

4Dietary Attributes

Label states: Vegan, Vegetarian, Non-GMO, 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

Wheat

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

Ingredient	Amount Per Serving
L-Theanine	200 mg	—

Not Present

Other Ingredients

Vegetarian CapsuleCelluloseMagnesium StearateSilicon Dioxide

Target Groups

VeganVegetarianAdult (18 - 50 Years)Gluten FreeDairy Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Usage: Take 1 capsule per day 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: Consult a healthcare professional before using this product if you are trying to conceive, pregnant, or lactating, under the age of 18, or have a medical condition; if adverse reactions occur, discontinue use.

Precautions re: Children

Keep out of the reach of children.

Storage

Store in a cool, dry place.

Formulation

Formula re: Contains

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 sensations of pleasure by affecting dopamine and serotonin neurotransmitters in the brain.

Formula re: Contains

Neurologically-active amino acid

Formulation re: Other

Promotes relaxation

Formulation re: Does NOT Contain

No wheat, gluten, soybeans, dairy, egg, fish/shellfish, or peanuts/tree nuts. Non GMO Certified by NSF www.nsfnongmo.org

Formulation re: Vegetarian/Vegan

V Vegan Veggie Cap

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

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

Seals/Symbols

Non GMO Certified by NSF www.nsfnongmo.org

Manufacturer & Distributor

Distributor

Jarrow Formulas

Los Angeles, CA, 90035-4317

1-866-459-4154

Market Reference

$12.74 – $109.99· 28 listings

Jarrow Formulas Theanine 200 mg. 60 Capsules
superbhb.co.uk4.8(1100)
$34.33
Jarrow Formulas Theanine 100 mg 60 Capsules
Fruitful Yield4.8(1000)
$16.19
Jarrow Formulas Theanine 200mg High Dosed 60 Vegan Capsules Lab Tested Gluten Free Soy Free Vegetarian Non-GMO
GoSupps.com4.8(1100)
$89.99
Jarrow Formulas Theanine 100 mg Veggie Capsules
The Vitamin Shoppe
$23.99
JARROWS Jarrow Formulas Theanine 200 mg L-Theanine for Relaxation and Wellbeing
GoSupps.com
$109.99
L-Theanine 200 mg 3 Bottles
Walmart - Gflow Vitamins
$29.97
L-THEANINE 200 capsules
NutriKey
$21.50
Jarrow Formulas Theanine 100mg Apple Flavor 60 Gummies
The Vitamin Shoppe4.8(26)
$26.99

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

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Lindberg Nutrition
4.6 (146)
Vitamin & supplements store
3804 Sepulveda Blvd, Torrance, CA 90505
Directions (310) 378-9490
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181 W Crossroads Pkwy Ste F, Bolingbrook, IL 60440
Directions (630) 965-8526
GNC
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753 Broadway Spc 753, New York, NY 10003
Directions (212) 380-5999
GNC
4.7 (202)
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2 Pennsylvania Plaza Ste 29B, New York, NY 10121
Directions (212) 239-1251
Swanson Health Products
3.2 (90)
Warehouse
4075 40th Ave S, Fargo, ND 58104
Directions (800) 824-4491
GNC
4.4 (51)
Vitamin & supplements store
156 E Lake St, Bloomingdale, IL 60108
Directions (630) 582-0959
GNC
3.5 (61)
Vitamin & supplements store
1645 2nd Ave #85th, New York, NY 10028
Directions (212) 734-0333
Hundred
4.3 (41)
Vitamin & supplements store
50 S Center St Ste 3, City of Orange, NJ 07050
Directions (347) 949-0230

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 2022-05-19. DSLD Label ID: 265078. 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.