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L-Theanine

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Product Description

Hundreds of studies exist showing the many health benefits of green tea. But what makes it the most consumed beverage in the world after water is its pleasant taste and relaxation effect. Both of these qualities—and more—can be traced to a unique, neurologically-active amino acid in tea called L-theanine (gamma-ethylamino-L-glutamic acid).

L-theanine is a free (non-protein) amino acid found almost exclusively in tea plants (Camellia sp.), constituting between 1 and 2-percent of the dry weight of tea leaves. It is the predominant amino acid in green tea leaves, giving tea its characteristic umami or "5th taste" (besides the four traditional tastes: sweet, salty, acid, and bitter). Attempts to isolate the L-theanine, with its physical and neurological benefits, from the tea leaves were once difficult, expensive, and inefficient. Economically feasible methods of producing the identical L-theanine now exist and do not require a mountain of tea leaves.

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