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Acupuncture and Traditional Chinese Herbal Medicine are extremely powerful, but they aren’t the only tools in our arsenal. Sometimes supplements are more suited to treatment of a particular pathology.  This series will outline one new supplement each month in stock here at Meridian Health Centre.

Today I’ll be discussing CalmPro™, a delicious chewable tablet containing 100mg of Suntheanine® (L-Theanine). As the name suggests, CalmPro™ can be used during times of stress, or in those who suffer from anxiety related disorders. L-Theanine, the active ingredient, has been shown to induce a state of “wakeful relaxation,” which is perfect for those who want to relax without being sedated. CalmPro™ is a great supplement that can be used daily, or as needed to ‘take the edge off’ and quickly go about your business.

L-Theanine is found mostly in tea, but you would need to drink a lot of tea to get the same effect as a dose of this supplement. Bioclinic’s product specifications state: “It works by influencing the central nervous system through a number of mechanisms: It crosses the blood-brain barrier in a dose-dependent manner within 30 minutes, and influences levels of the neurotransmitters dopamine, gamma-aminobutyric acid (GABA), serotonin, norepinephrine, and glutamate. These effects cause a significant increase in alpha brain wave activity, indicative of a state of wakeful relaxation, increased performance under stress, improved learning and concentration, as well as decreased anxiety.” The supplement has also been shown to increase memory and attention in subjects with mild cognitive impairment (Henson, 2011).

Other clinical trials show that L-theanine is capable of significantly improving nitric oxide production in endothelial (artery-lining) cell which may decrease the risk of stroke, as well as reduce the harmful effects of a stroke if it does occur (Siamwala, 2013). In terms of areas where more research is needed, L-Theanine may help combat the development of disorders like Alzheimers, and may even be useful in the treatment of cancer (specifically decrease in tumor size) (Alternative Medicine Review, 2005).

No specific contraindications exist for L-Theanine, but research is lacking on it’s use during pregnancy. CalmPro™ can also induce a mild hypotensive effect so it should be used with caution in those with low blood pressure, or those taking antihypertensives (as it may potentiate the effects of these medications).

So whether you’re getting it through the tea you drink, or you decide to supplement – L-Theanine is a perfect addition to help you decrease the negative effects of stress, while still staying alert and able to take on the day! Ask a practitioner here at Meridian Health Centre if CalmPro™ is right for you!



Henson, Shari. “Research Review. Green Tea/L-Theanine Combination Increases Memory and Attention in Subjects with Mild Cognitive Impairment.” Herbalgram no. 91 (August 2011): 32-33. Alt HealthWatch, EBSCOhost (accessed May 13, 2017).

L-Theanine. (2005). Alternative Medicine Review, 10(2), 136-138.

Siamwala JH, Dias PM, Majumder S, et al. L-theanine promotes nitric oxide production in endothelial cells through eNOS phosphorylation. J Nutr Biochem. 2013;24(3):595-605.


If you are currently living in Edmonton, Alberta #YEG and would like to book an appointment with me (Jon McDonell) please visit the Meridian Health Centre website, call (780)-428-8897, or email me at jon@meridianhealthcentre.ca !