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Amino acid from green tea that promotes calm focus without sedation. Pairs with caffeine for clean energy, or with magnesium for sleep. Huberman's third sleep supplement.
Huberman Lab
Personal UseMaster Your Sleep Ep.
“L-Theanine 200mg is the third component of my sleep stack. Some people find it gives them vivid dreams — if that happens, reduce the dose.”
March 31, 2026