Strong evidenceamino_acid
5-HTP for Insomnia
Serotonin is converted to melatonin via N-acetyltransferase. Increases pineal melatonin synthesis for sleep-wake regulation.
How strong is the research?
Strong evidence
Based on a randomised controlled trial (RCT) — the gold standard for establishing cause and effect.
How much to take
100–300 mg
Take 30-60 minutes before sleep. Combining with GABA may enhance effects.