Health effect
Sleep Onset
Can supplements help you fall asleep sooner? The useful answer depends on the size of the effect and the sleep problem.
Linked studies
8 publications behind the ratings for sleep onset, newest first.
Optimizing the Time and Dose of Melatonin as a Sleep-Promoting Drug: A Systematic Review of Randomized Controlled Trials and Dose-Response Meta-Analysis.2024 · MelatoninThe effect of glycine administration on the characteristics of physiological systems in human adults: A systematic review2023 · GlycineEfficacy on sleep parameters and tolerability of melatonin in individuals with sleep or mental disorders: A systematic review and meta-analysis2022 · MelatoninThe impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression.2021 · TryptophanThe Impact of Tryptophan Supplementation on Sleep Quality: A Systematic Review, Meta-Analysis and Meta-Regression2021 · TryptophanNew therapeutic strategy for amino acid medicine: glycine improves the quality of sleep.2012 · GlycineEffects of exogenous melatonin on sleep: a meta-analysis.2005 · MelatoninEvaluation of l-tryptophan for treatment of insomnia: A review2004 · Tryptophan