Theanine®

Non-Nutrient / Non-Botanical

Brand: Thorne

CapsuleNon-Nutrient/Non-BotanicalOn Market

Functions

Sleep, Mood & Stress

Product label for Theanine — Click to view full label

Net Contents

90 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Supplement Form

Capsule

Bar Code (UPC/SKU)

6 93749 50801 4

Product Version

SA508 LSA50811

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

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) · 1–3 per day

Ingredient	Amount Per Serving
Suntheanine(L-Theanine)	200 mg	—

Not Present

Other Ingredients

HypromelloseLeucineCalcium LaurateMicrocrystalline Cellulose

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use: Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

Warnings & Precautions

Precautions re: All Other

Tamper evident: Use only if bottle is sealed.

Precautions re: Pregnant or Nursing or Prescription Medications

If pregnant, consult your health-care practitioner before using this product.

Storage

Store tightly sealed in a cool, dry place.

Formulation

Formulation re: Other

Sleep Stress

Formulation re: Does NOT Contain

Gluten free

Formula re: Contains

This product uses Taiyo International's Suntheanine (L-theanine). Suntheanine is a registered trademark of Taiyo International, Inc.

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Other Label Statements

Seals/Symbols

Manufactured in the USA using US & imported ingredients NSF Contents Certified

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

This product uses Taiyo International's Suntheanine (L-theanine). Suntheanine is a registered trademark of Taiyo International, Inc.

Manufacturer & Distributor

Manufacturer

Thorne Research, Inc.

1-800-228-1966

Market Reference

$15.99 – $142.00· 40 listings

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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.

Willner Chemists
4.7 (146)
Vitamin & supplements store
100 Park Ave, New York, NY 10017
Directions (800) 633-1106
e-NutritionStore.com
5.0 (10)
Vitamin & supplements store
6010 Meadowridge Center Dr K, Elkridge, MD 21075
Directions (443) 483-3340
National Nutrition
4.8 (1263)
Vitamin & supplements store
5 Progress Dr, Orillia, ON L3V 0T7, Canada
Directions (800) 526-9772
Cymbiotika LLC
4.7 (345)
Vitamin & supplements store
5825 Oberlin Dr #5, San Diego, CA 92121
Directions (855) 983-8888
LEAN Nutraceuticals, Inc.
5.0 (1)
Vitamin & supplements store
902 S Randall Rd #300c, St. Charles, IL 60174
Directions (855) 382-4296
The Vitamin Shoppe
4.5 (178)
Vitamin & supplements store
4601-4605 Illinois Rd, Fort Wayne, IN 46804
Directions (260) 459-0361
ThyNatural
Vitamin & supplements store
11755 Wilshire Blvd #1250, Los Angeles, CA 90025
Directions (800) 592-1321
TNVitamins
Vitamin & supplements store
87 N Industry Ct Ste: E, Deer Park, NY 11729
Directions (800) 245-7955

Research & Studies

L-Theanine Nootropic Review: Benefits, Side Effects & Dosage
HMDLT Cost - nootropicology.com
… For healthy individuals, L-Theanine offers cognitive … health food stores, online retailers, and supplement shops. Reputable brands like NOW Foods, Jarrow Formulas, and Thorne …
18 Exercise, Food & Supplement Tips To Defy Insomnia & Enhance Sleep
M Plans, F Guides, EO Guides, F Books, FK Book… - pg-fitness.co.uk
… So a healthy 160lb man who wants to sleep more would … I prefer the Thorne multivitamin, which includes a PM dose that … L-theanine is an amino acid most commonly found in green tea …
Optimisation and validation of a nutritional intervention to enhance sleep quality and quantity
SL Halson, G Shaw, N Versey, DJ Miller, C Sargent… - Nutrients, 2020 - mdpi.com
… L-Theanine is an amino acid found in tea which is reported to have anti-anxiolytic effects and … Ingestion of 200 mg of L-Theanine has been shown to reduce wake after sleep onset, …
202038 citations
Dietary and botanical anxiolytics
E Alramadhan, MS Hanna, MS Hanna… - … medical journal of …, 2012 - pmc.ncbi.nlm.nih.gov
… Theanine crosses the blood-brain … , healthy volunteers were given theanine and a benzodiazepine and subjected to experimentally induced anxiety. The people who received …
201256 citations
Bioavailability and activity of phytosome complexes from botanical polyphenols: the silymarin, curcumin, green tea, and grape seed extracts
PM Kidd - Altern Med Rev, 2009 - researchgate.net
… Medicinal nutrients derived from plants have been used for health … theanine, an anti-anxiety nutrient normally present in green tea (200 mg/day). According to the researchers, theanine …
2009592 citations
SAMe in the Treatment of Refractory Depression with Comorbid Anxiety: A Case Study in a High Histamine Patient
R Arthur - Evidence-Based Herbal and Nutritional Treatments for …, 2016 - Springer
… medicines can work in certain mental health cases, even cases as serious as this one. … her intake of supplements in response to significant mood improvements, taking the theanine only …
2016

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-09-25. DSLD Label ID: 336340. 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.