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Onset Time Some effects may be felt within hours

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L-Theanine

Momentous

$39.99

L-Theanine is a naturally occurring amino acid found in tea leaves that promotes calm, focused mental states without causing drowsiness. It works by increasing alpha brain wave activity and supporting neurotransmitters like GABA and serotonin—helping you stay relaxed yet alert.

★ 4.7386 reviews