Net Contents
60 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
60
Supplement Form
Capsule
Bar Code (UPC/SKU)
7 90011 15050 3
Product Version
11311THE PROD # 115050
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) · 1–2 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Theanine | 100 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
USAGE: Take 1 capsule 1 or 2 times 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 100 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 100 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
100 mg
Brand IP Statement(s) re: (c), (TM), (SM)
Suntheanine(R) is a registered trademark of Taiyo International, Inc.
General: Product/Version Code
11311THE PROD # 115050
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 100 mg 60 Capsules
iHerb4.8(1000)$15.59LowestJarrow Formulas Theanine 100 mg Veggie Capsules
Mothers Market & Kitchen$17.69Jarrow Formulas Theanine 200 mg. 60 Capsules
Jarrow Formulas4.8(1100)$28.99Jarrow Formulas Theanine 100mg Apple Flavor 60 Gummies
Professional Supplement Center4.8(26)$26.99Jarrow Formulas 5-HTP 100 mg 60 Capsules
Whole Foods Market4.7(454)$25.19L-Theanine 100mg
Curated Wellness$21.99Natural Factors L-Theanine Suntheanine Stress-Relax
Target4.8(1100)$20.99Jarrow Formulas GABA Soothe Capsules
TheApothecure.com4.7(243)$27.99
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.
N101
5.0 (431)Vitamin & supplements store
6252 Romaine St, Los Angeles, CA 90038
Wholesale Nutrition Center
4.9 (109)Vitamin & supplements store
4704 D St, Lakewood, CA 90712
Wholesale Nutrition Center
5.0 (44)Vitamin & supplements store
12140 E Carson St Unit B-1, Hawaiian Gardens, CA 90716
The Vitamin Shoppe
4.5 (158)Vitamin & supplements store
19510 Hawthorne Blvd, Torrance, CA 90503
Vitamin World
4.8 (18)Vitamin & supplements store
100 Citadel Outlet, Commerce, CA 90040
Lindberg Nutrition
4.6 (146)Vitamin & supplements store
3804 Sepulveda Blvd, Torrance, CA 90505
Vitamin House
4.3 (7)Vitamin & supplements store
12535 E Carson St, Hawaiian Gardens, CA 90716
Blaine's Nutrition Center
4.7 (13)Vitamin & supplements store
206 Ave I, Redondo Beach, CA 90277
Research & Studies
L-Theanine Nootropic Review: Benefits, Side Effects & Dosage
HMDLT Cost - nootropicology.com
… can be purchased from various sources, including health food stores, online retailers, and supplement shops. Reputable brands like NOW Foods, Jarrow Formulas, and Thorne …
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
… This study provided evidence that l-THE (10–100 mg/kg/day) attenuated ovalbumin-induced airway inflammation in mice by reducing reactive oxygen species generation, decreasing …
201983 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. …
202526 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
… in our animal tests at a dose of 100 mg/kg (coefficient of drug interaction (CDI… healthy adults after 1 month of consumption. Our results suggest that a combination of FOS and L-theanine …
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
… measures of anxiety in healthy human subjects using the model of anticipatory anxiety (AA). Sixteen healthy volunteers received alprazolam (1 mg), L-theanine (200 mg) or placebo in a …
2025SHOP BY
TA Bowman - 1993 - jarrow.com
… in the journal Foods has found that supplementation with macular carotenoids improved vision, sleep quality and other physical symptoms in young healthy adults who had a high …
19931 citations
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: 7623. 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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