L-Theanine

Category: Nervous system and neurotransmitters

Manufacturer:

Promotes a calming and mood-enhancing effect

  • Promotes relaxation by helping to support a healthy stress response
  • Encourages brainwave patterns similar to those associated with meditation & massage
  • Involved in production of gamma amino butyric acid, the neurotransmitter that influences levels of dopamine and serotonin

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L-Theanine

100 mg, 60 vegetarian capsules

Item Catalog Number: 01683

NON GMO Product

What Is L-Theanine?

L-Theanine is an amino acid found in tea that produces calming effects by favorably modulating several aspects of brain activity. L-Theanine induces brainwave patterns similar to those associated with meditation and massage.

Pure L-Theanine

Laboratory analysis confirms that theanine used in our formulation contains only the pure L-Theanine form of this amino acid.

Benefits at a Glance:

  • Promotes relaxation by helping to support a healthy stress response

  • Encourages brainwave patterns similar to those associated with meditation & massage

  • Involved in production of gamma amino butyric acid, the neurotransmitter that influences levels of dopamine and serotonin

High-quality theanine supplement

L-Theanine benefits have been known around the world, especially in eastern Asia, for centuries. Although the ancient civilizations may have named L-Theanine differently, they understood and explored the relaxing and calming effects of this compound.1 Theanine used in our formulation contains only the pure L-Theanine form of this amino acid.

Calming Effects

Theanine is an amino acid found in tea.2 L-Theanine produces calming effects by favorably modulating several aspects of brain activity. L-Theanine promotes brainwave patterns similar to those associated with meditation and massage.3 Moreover, L-Theanine modulates the formation of the neurotransmitter gamma amino butyric acid (GABA) which in turn modulates levels of two other neurotransmitters, dopamine and serotonin, that also supports relaxing effects.4

Life Extension® L-Theanine contains 100 mg of calming L-Theanine in a convenient supplement.

Supplement Facts

Serving Size 1 vegetarian capsule

Amount Per Serving
L-Theanine 100 mg
Other ingredients: microcrystalline cellulose, vegetable cellulose (capsule), silica, vegetable stearate.


Non-GMO


Dosage and Use

Take one (1) capsule one to four times daily with or without food, or as recommended by a healthcare practitioner.


Warnings

KEEP OUT OF REACH OF CHILDREN

DO NOT EXCEED RECOMMENDED DOSE

Do not purchase if outer seal is broken or damaged.

When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

  1. Biol Psychol. 2007 Jan;74(1):39-45.

  2. Journal of Functional Foods, Volume 3, Issue 3, July 2011, Pages 171-178

  3. Phytother Res. 2011 Nov;25(11):1636-9.

  4. Trends Food Sci Technol 10 (1999), 199–204.

  5. J Physiol Anthropol. 2012 Oct 29;31(1):28.

  6. Biol Pharm Bull. 2002 Dec;25(12):1513-8.

  7. J Herb Pharmacother. 2006;6(2):21-30.

  8. Biol Psychol. 2008 Feb;77(2):113-22.

  9. Free Radic Biol Med. 2009 Dec 1;47(11):1601-10.

  10. Biochem Biophys Res Commun. 2004 Jul 16;320(1):116-22.

  11. Neurotoxicology. 2008 Jul;29(4):656-62.

  12. J Med Food. 2011 Apr;14(4):334-43.

  13. Pharmacol Res. 2011 Aug;64(2):162-8.

  14. Biological & Pharmaceutical Bulletin, 25, 1513e1518.

  15. LWT - Food Science and Technology 46 (2012) 64e70

  16. J Sci Food Agric. 2011 Aug 30;91(11):1931-9.

  17. Neurochem Res. 1998 May;23(5):667-73.

  18. Brain Topogr. 2009 Jun;22(1):44-51.

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