Suntheanine L-Theanine 100 mg®

Non-Nutrient / Non-Botanical

Brand: Swanson

CapsuleNon-Nutrient/Non-BotanicalOn Market

Functions

Sleep, Mood & Stress

Product label for Suntheanine L-Theanine 100 mg — Click to view full label

Net Contents

60 Veggie Capsule(s)

Serving Size

1 Veggie Capsule(s)

Servings Per Container

Supplement Form

Capsule

Bar Code (UPC/SKU)

0 87614 02110 2

Product Version

SWU110 Rev 1 12 28 18

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.

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

Supplement Facts

Serving Size: 1 Veggie Capsule(s) · 1–2 per day

Ingredient	Amount Per Serving
Suntheanine(L-Theanine)	100 mg	—

Not Present

Other Ingredients

Brown Rice FlourHypromelloseMagnesium Stearate

Target Groups

Adult (18 - 50 Years)

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, take one veggie capsule one to two times per day with water before meals.

Warnings & Precautions

Precautions re: Children

Warning: For adults only. Keep out of reach of children.

Precautions re: Pregnant or Nursing or Prescription Medications

Consult your physician before using this or any product if you are pregnant or nursing, taking medication, or have a medical condition.

Precautions re: All Other

Do not use if seal is broken.

Storage

Store in a cool, dry place.

Formulation

Formulation re: Other

Supports balanced mental health and emotional wellbeing Maintains a feeling of calm while remaining alert

Formulation re: Other

Brain and nervous system health

Formula re: Contains

Suntheanine Suntheanine L-Theanine 100 mg per capsule

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

Science-backed quality since 1969

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

Suntheanine is a registered trademark of Taiyo International, Inc.

Manufacturer & Distributor

Distributor

Swanson Health Products

Fargo, ND, 58104, USA

1-800-437-4148

Market Reference

$7.79 – $95.31· 40 listings

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Where to Buy Locally

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ITL Health
5.0 (37)
Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
Directions 0118 321 7628
Prodentim
5.0 (1)
Vitamin & Supplements Shop
72 Regent St., London W1B 4EN
Directions 028 6745 7567
Protiv Nutrition
5.0 (1)
Vitamin & Supplements Shop
3rd Floor, 207 Regent St., London W1B 3HH
Directions 07442 915758
Holland & Barrett - Maddox Street
4.3 (52)
Vitamin & Supplements Shop
6-8 Maddox St, London W1S 1NR
Directions 0330 058 2640
Minerva Wellness
5.0 (21)
Vitamin & Supplements Shop
71-75 Shelton St, London WC2H 9JQ
Directions 020 7459 4641
RightNutri
4.9 (78)
Vitamin & Supplements Shop
26 Queenstown Rd, London SW8 3RX
Directions 0800 098 8888
Nayble Health & Sports
5.0 (139)
Vitamin & Supplements Shop
18 Chamberlayne Rd, London NW10 3JD
Directions 020 7625 5111
Dietapplements Limited
4.8 (6)
Vitamin & Supplements Shop
27 Old Gloucester St, London WC1N 3AX
Directions 01892 506990

Research & Studies

Effects of L-theanine-caffeine combination on selective attention among adolescents with attention-deficit hyperactivity disorder: a double-blind, placebo-controlled …
GS Nawarathna, DI Ariyasinghe… - Nutritional …, 2026 - Taylor & Francis
… improvement by L-theanine and caffeine combination in healthy adults [… The effects of L-theanine (Suntheanine®) on objective sleep … [42] Swanson JM. School-based assessments and …
2026
Current naturopathy to combat Alzheimer's disease
A Chakrovorty, B Bhattacharjee… - Current …, 2023 - benthamdirect.com
… Apart from these there are many risk factors such as age, genetic predisposition, and coexisting health problems. Alzheimer's disease is most widely seen in the age above 65. Aging …
202318 citations
Nonpharmacologic management of restless legs syndrome (Willis-Ekbom disease): myths or science
D Sharon - Sleep medicine clinics, 2015 - sleep.theclinics.com
… by Nathaniel Kleitman and refers to healthy lifestyle practices that … Magnesium supplements are frequently mentioned on different … L-Theanine is a glutamate analogue that increases the …
201522 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-12-21. DSLD Label ID: 308776. 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.