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
12411THE200 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.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
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
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Theanine | 200 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
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 health care consultant.
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 health care practitioner 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.
Formula re: Contains
Capsule consists of gelatin.
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 200 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.*
General Statements: All Other Content
Jarrow FORMULAS® Theanine 200 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
Amino Acid Derivative Neurotransmitter
Seals/Symbols
(symbol)Suntheanine(R)
General Statements: All Other Content
Promotes Relaxation* and Learning Ability*
General Statements: All Other Content
200 mg
Brand IP Statement(s) re: (c), (TM), (SM)
Suntheanine(R) is a registered trademark of Taiyo International, Inc.
General: Product/Version Code
12411THE200 PROD # 115057
Brand IP Statement(s) re: (c), (TM), (SM)
(C) 2011 Jarrow FORMULAS(R)
Manufacturer & Distributor
Distributor
Jarrow Formulas Superior Nutrition and Formulation
P.O. Box 35994, Los Angeles, CA, 90035-4317
Market Reference
Jarrow Formulas Theanine 200 mg. 60 Capsules
superbhb.co.uk4.8(1000)$35.29
Jarrow Formulas Jarrow Theanine 200 mg 60 Caps
Eddie's Health Shoppe4.8(1000)$24.99
Jarrow Formulas Theanine 100 mg 60 Capsules
Target4.8(989)$19.48
JARROWS Jarrow Formulas Theanine 200 mg L-Theanine for relaxation and Wellbeing
GoSupps.com4.8(1000)$89.99
Jarrow Formulas Theanine 200mg High Dosed 60 Vegan Capsules
GoSupps.com4.8(1000)$79.99
Jarrow Formulas Theanine 100mg Apple Flavor 60 Gummies
The Vitamin Shoppe4.8(26)$26.99
Nature Made Chewable L Theanine Tablets
Walmart4.4(59)$12.74
Jarrow Formulas GABA Soothe Capsules
iHerb4.7(238)$22.01
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.
Walgreens
2.4 (49)Vitamin & supplements store
177 Main St, Lancaster, NH 03584
The Healthy Rhino
5.0 (82)Vitamin & supplements store
106 Main St, Littleton, NH 03561
GNC
4.6 (15)Vitamin & supplements store
40 Fort Eddy Rd, Concord, NH 03301
The Vitamin Shoppe
4.5 (106)Vitamin & supplements store
274 Daniel Webster Hwy, Nashua, NH 03060
Natural Wellness Corner
5.0 (49)Vitamin & supplements store
239 Loudon Rd Suite 1A, Concord, NH 03301
GNC
3.5 (83)Vitamin & supplements store
10 Benning St #12A, West Lebanon, NH 03784
The Vitamin Shoppe
4.3 (146)Vitamin & supplements store
1753 S Willow St, Manchester, NH 03103
GNC
4.6 (103)Vitamin & supplements store
1500 S Willow St Suite W-117, Manchester, NH 03103
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 …
Coenzyme Q10 Protects A Breaking Heart
A Thomas - jarrow.com
A landmark study published in the Journal of the American College of Cardiology: Heart Failure reported supplementation with coenzyme Q 10(CoQ 10) reduced medical complications …
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 …
201982 citationsl-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. …
202525 citationsImprovement 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 citationsKeyora 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
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-04-26. DSLD Label ID: 7614. 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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