L-Theanine
An amino acid found in green tea that synergizes with caffeine to enhance cognitive performance, attention, and reaction time while reducing anxiety and jitters. It promotes calm, attentive states by increasing GABA and glycine signaling.
Common Themes
Videos Mentioning L-Theanine

Dr. Matt Walker: The Science of Dreams, Nightmares & Lucid Dreaming | Huberman Lab Guest Series
Andrew Huberman
Known for its mild anti-anxiety properties, but can make dreams more vivid for some, so caution is advised.

Charles Poliquin Returns (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
A supplement taken with Magnesium threonate to improve sleep.

Dr. Andrew Huberman — The Foundations of Physical and Mental Performance
Tim Ferriss
Amino acid that is part of Andrew Huberman's sleep stack, but can increase dream vividness, making it potentially unsuitable for individuals with robust dreams or nightmares.

AMA #8: Balancing Caffeine, Decision Fatigue & Social Isolation
Andrew Huberman
A supplement that can promote restful sleep and has mild anxiety-reducing effects, often included in energy drinks and sodas to counteract caffeine jitters.

Joe Rogan Experience #2474 - Dave Smith
PowerfulJRE
Amino acid mentioned as an ingredient in Neuromints for calm and focus.

World’s #1 Mentalist: How To Read Minds, Convince Anyone, and Close Every Deal
My First Million
A supplement mentioned in the context of vitamins and their efficacy, though not explicitly discussed for its benefits.