A member asked:

Did research on nootropics and found out about l theanine and it was said that it should have calming affects on u. but i feel nothing on 200mg?

A doctor has provided 1 answer

Hmmm....: If there are any good research studies comparing patients on a "brain-enhancing" substance vs. patients on a placebo, that show any real-life brain improvements (not outweighed by the substance's unknown or known side effects), then such a substance might be worthy of consideration. If no good human studies are done, then sales pitches and testimonials have nothing to stand on.

Answered 12/30/2017

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Thank

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