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What is L-theanine?Updated a year ago

Discovered in Japan in 1949, L-theanine is a compound found naturally in only 3 plants in the entire universe — in the edible Bay Bolete mushroom, in Guayusa, and in tea. Matcha contains approximately five times more L-theanine than regular green tea. The amino acid compound directly boosts the production of alpha brain waves, which relax the mind without inducing drowsiness.

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