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Physiologics - L-Theanine 100 mg 60 caps Physiologics - L-Theanine 100 mg 60 caps

SKU: PHY-12882    UPC: 716963128827

Suggested Retail Price: $22.15  SRP
Our Price: $19.93    Save 10%
  (Web price as of 12/01/15...not applicable to in-store purchases)

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Theanine is a natural phytochemical found in Japanese green tea. PhysioLogics L-Theanine provides the L-isomer of this unique amino acid that is related to the amino acid glutamate.

L-Theanine is a nonessential amino acid that can support the mood centers in the brain.* It is a non-protein amino acid, found only in tea and the rare mushroom xerocomus badius, that has been shown by electroencephalography (EEG) to affect alpha-band activity in the brain.*

  • In a double-blind, placebo-controlled, crossover trial, 12 subjects were given a mental arithmetic task designed to induce an acute stress response. The feelings of the subjects were measured after taking 200 mg of L-Theanine at the start of the task, 200 mg of L-Theanine midway through the task, placebo, or nothing. Both L-Theanine treatments resulted in an equally significant calming effect compared to the two control groups. This study supports the use of 200 mg of L-Theanine, the recommended daily dose for PhysioLogics L-Theanine, for relaxation. (Kimura et al, 2007)
  • A total of 35 subjects received either 50 mg of L-Theanine or placebo before having brain activity assessed by EEG at rest and at 45, 60, 75, 90 and 105 minutes. Researchers observed a significantly greater increase in alpha brain wave activity over time in the treatment group compared with the control group. Alpha-band activity is associated with a relaxed yet alert mental state. (Nobre et al, 2008)


L-Theanine, a unique amino acid found in tea, helps support a healthy mood.* L-Theanine enhances alpha brain wave activity, which is considered indicative of relaxation.*

For adults, take one (1) capsule, two to three times daily, preferably with meals, or follow the advice of a health care professional.

Gomez-Ramirez M, Higgins BA, Rycroft JA, et al. The deployment of intersensory selective attention: a highdensity electrical mapping study of the effects of theanine. Clin Neuropharmacol. 2007;30:25-38.

Juneja LR, Chu D-C, Okubo T, et al. L-theanine - a unique amino acid of green tea and its relaxation effect in humans. Trends Food Sci Technol. 1999;10:199-204.

Kimura K, Ozeki M, Juneja LR, Ohira H. L-theanine reduces psychological and physiological stress responses. Biol Psychol. 2007;74:39-45.

Nobre AC, Rao A, Owen GN. L-theanine, a natural constituent in tea, and its effect on mental state. Asia Pac J Clin Nutr. 2008;17(Suppl 1):167-8.

The statements included above have not been evaluated by the FDA or Total Health. This product is not intended to diagnose, treat, cure or prevent any disease.

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