L-Theanine

emerging  l-theanine — rising in focus stacks; evidence still early

⚠ Safety in context

Evidence by outcome

stressgrade Clow certaintysmall calming effect; often paired with caffeine to smooth its edge

People say · Evidence shows

L-theanine + caffeine is the perfect focus stack

aheadlargemechanistic speculation

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sources: PMID:00000022
L-Theanine — evidence, beliefs & safety | Substrate · Substrate