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L-Theanine

XYMOGENUpdated April 2026

Product Information

Brand
XYMOGEN
Form
Capsule
Servings Per Container
60
UPC
8 71149 00239 8
Product Type
Non-Nutrient/Non-Botanical
DSLD Entry Date
2017-12-22

Target Groups

VegetarianAdult (18 - 50 Years)Gluten FreeDairy Free

All Ingredients

IngredientAmount% DV
L-Theanine400 mg

† Daily Value not established.

Label Statements

General Statements: All Other Content

Professional use only

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

Not for resale on third-party websites, including, but not limited to, Amazon and eBay.

Suggested/Recommended/Usage/Directions

Directions: Take one to two capsules twice daily, or as directed by your healthcare practitioner.

Precautions re: Pregnant or Nursing or Prescription Medications

Individuals taking medication should discuss potential interactions with their healthcare practitioner.

Precautions re: All Other

Do not use if tamper seal is damaged.

Formula re: Contains

L-Theanine is a naturally occurring, unique amino acid found in green tea leaves.

General Statements: All Other Content

L-theanine has been found to reduce stress by promoting relaxation without drowsiness, easing nervousness due to overwork and fatigue, and reducing nervous irritability. Human studies suggest that it may also be useful in supporting concentration and in reducing negative side effects from caffeine.

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

XYMOGEN's L-Theanine (as Suntheanine) is protected by several patents based on its positive effects.

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.

Storage

Storage: Keep closed in a cool, dry place out of reach of children.

Precautions re: Children

Storage: Keep closed in a cool, dry place out of reach of children.

Formulation re: Does NOT Contain

Does Not Contain: Wheat, gluten, corn, yeast, soy, animal or dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from genetically modified organisms (GMOs), artificial colors, artificial sweeteners, or artificial preservatives.

General Statements: All Other Content

Patented ingredient supports calm and relaxation

FDA Statement of Identity

Dietary Supplement

General Statements: All Other Content

ePV

General Statements: All Other Content

Exclusive professional formulas

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

Suntheanine is a registered trademark of Taiyo International, Inc. U.S. and International Patents Pending. U.S. Patent Nos. 6831103, 6589566, 6297280.

Seals/Symbols

Vegetarian caps

Formulation re: Vegetarian/Vegan

Vegetarian caps

General: Product/Version Code

ZLB--LTHEANINE-05 REV. 053117

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

2017 XYMOGEN

Seals/Symbols

Third-Party GMP Compliant Verified

General Statements: All Other Content

Scan to learn more! This package is completely recyclable

Precautions re: All Other

Consult your healthcare practitioner prior to use.

Supplement Facts Panel

Supplement Facts
Serving Size 1 Capsule(s)
Servings Per Container 60
Amount Per Serving% Daily Value*
L-Theanine
400 mg

* Percent Daily Values are based on a 2,000 calorie diet.

† Daily Value not established.

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