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L-Theanine 200 mg vcaps (THEA3)

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L-Theanine (200 mg = 60 veggie capsules)

2 Sizes Available = 60 or 120 Capsules per Bottle.

Pure Encapsulations offers "Suntheanine®" L-Theanine, which is a unique amino acid, providing helpful relaxation support without causing drowsiness as well as easing occasional nervous tension and irritability.*

Taken as a dietary supplement, L-Theanine from Pure Encapsulations may be used to:

  • Promote relaxation*
  • Helps moderate occasional stress*
  • Made with Hypoallergenic, Vegan, gluten-Free & Non GMO Ingredients*

Suggested usage: As a dietary supplement, take 1-6 capsules daily,in divided doses, between meals. Caution: If pregnant or lactating, consult your physician before taking this product. Higher doses in some people may cause drowsiness; however lower doses are not associated with this effect.
Product Ingredients per capsule: L-Theanine 200 mg.  Other ingredients: hypo-allergenic plant fiber, vegetable capsule
Count: 60 Vegetarian Capsules Size or 120 Capsule Size bottle option available
Servings Per Bottle: 60 Servings
Net Weight of L-Theanine Per Capsule: 200 mg

More information from the manufacturer:

Supplementation of L-Theanine may promotes relaxation and help to moderate occasional stress*

l-theanine is the biologically active constituent of green tea responsible for promoting relaxation. Green tea has been recognized for centuries as having relaxant properties. l-Theanine, a unique amino acid derived from tea, provides the characteristic taste of green tea.

In a preliminary non-clinical study, an l-theanine solution enhanced alpha wave production in the occipital and parietal regions of the brains of volunteers. These observed patterns are considered to be an index of relaxation. Furthermore, it did so rapidly and without causing drowsiness. In two additional studies, alpha waves were also shown to be detectable soon after l-theanine administration.

L-theanine is also useful for supporting healthy cellular function. Preliminary research suggests that l-theanine may be helpful for premenstrual support including healthy mood. Furthermore, theanine has been reported to moderate the effects of caffeine on the central nervous system. l-Theanine's safety is supported in studies and by its long history of safe consumption in tea. Pure Encapsulations l-Theanine is Suntheanine®, the brand which has been used in scientific studies.*

What Is L-Theanine?
L-Theanine is an amino acid and is the natural component in green tea that is responsible for its unique characteristic taste. L-Theanine is believed to be the component in green tea that provides relaxation effects.*

What are the Uses For L-Theanine

  • Relaxation Support: there is preliminary clinical evidence that shows an increase in alpha brain wave activity after L-theanine administration. Alpha waves are basically an indication of an alert or relaxed mental state.*
  • Premenstrual Support: In a clinical test, L-theanine provided both mental & physical support for women, whom had occasional irritability and stress.*
  • Nervous System Support: L-theanine can moderate the effects of caffeine on the central nervous system. L-theanine has also been shown to support healthy neurotransmitter function.*

What Is The Source of Pure Encapsulations L-Theanine?
L-Theanine is sourced from tea leaves and is the most abundant free-form amino acid found in tea leaves.  This product contains Suntheanine® L-Theanine which is produced from an enzymatic fermentation. Hypo-allergenic plant fiber is derived from pine cellulose. Suntheanine® is a registered trademark of Taiyo International, Inc.

Recommendations for daily usage from Pure Encapsulations is 1-6 capsules daily, in divided doses, between meals.


*These statements have not been evaluated by the U.S. Food and Drug administration. These products are not intended to diagnose, treat, cure, or prevent any disease. TCM is an acronym for Traditional Chinese Medicine.

**The information provided on this site is for informational purposes only, not intended to replace your doctor's or other health care professional's advice or treatment. Nor is any information contained on or in any product label or packaging intended to provide or replace professional health care advice. Do not use the this site's information for diagnosis or treatment of any health problem, nor for prescription of any treatment or medication. Always consult with a healthcare professional before undertaking any diet, exercise, herbal or other supplementation program, taking any medications, or if you suspect you may have or already have any type of health problem. Do not stop taking any medication without first consulting your doctor.