L-Theanine is a Useless Nootropic...EXCEPT In This One Circumstance

L-Theanine is a nootropic gaining lots of undeserved popularity. In fact, L-Theanine tends to cause a DECREASE in cognitive performance under normal circumstances. This week, Casey reviews several research studies that investigate the effects of L-Theanine and also describes the ONE situation where L-Theanine can result in an improvement in cognitive performance. Give this week a listen before consuming L-Theanine.

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