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Biohacking: Chill Out and Focus with a Little L-Theanine

One particularly interesting nootropic for the over caffeinated crowd is l-theanine. This is a smart drug that naturally occurs in teas and some mushrooms. In Japan l-theanine is added to commercial teas, soft drinks and desserts. This substance is generally recognized as safe (GRAS) by the FDA and is available in the US through the supplement market.

Applications:

Usage:

50mg – 250mg is the normal dosage range. Reports of stomach irritation occur at dosages over 400mg. L-theanine is water-soluble. I normally dissolve 100mg powdered l-theanine in water and take up to four times daily.

 

Sources:

https://examine.com/supplements/Theanine/

http://www.ncbi.nlm.nih.gov/pubmed/16373462

http://espace.library.uq.edu.au/view/UQ:284103

http://www.ncbi.nlm.nih.gov/pubmed/16930802

http://www.ncbi.nlm.nih.gov/pubmed/17272967

http://www.ncbi.nlm.nih.gov/pubmed/23458739

http://www.ncbi.nlm.nih.gov/pubmed/18681988

http://www.ncbi.nlm.nih.gov/pubmed/21303262

http://www.ncbi.nlm.nih.gov/pubmed/22214254

http://www.ncbi.nlm.nih.gov/pubmed/22819553

http://www.ncbi.nlm.nih.gov/pubmed/18006208


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