Sleep onset
11 supplements analyzed and ranked by clinical evidence.
Supplements11
Supplement Evidence
Main EffectsStudies Benefits
Melatonin6547GABA15198Alcohol232258Lavender30311Tryptophan41313Valerian367Theanine3915Lemon Balm20011Passion Flower207Magnolia Bark67Phenibut47
sleep onset -30m
phase advance +2h
duration +10h
Strong
Sedation/memory worsened
Sleep onset shortened
Strong
Sedation +41β98%
Sleep onset +6β32s
Strong
Sleep onset, +43 min TST
Sleep onset, -3.1 PSQI
Strong
Trpβ, latencyβ
Melatoninβ, onset worsen
Moderate
Latency β ~49%
Duration/Efficiency β
Moderate
Faster sleep onset
Longer sleep +45min
Better sleep quality
Moderate
Sleep onset/sleep β2.9 ISI
Sleep disturbance β38%
Sleep onset improved p<0.05
Moderate
Sleep quality β
Sleep latency β
Weak
Insomnia onset improved
Psychological symptoms +better sleep
Weak
Anxiety β79%, sleep onset
Fatigue, sleep onset better
Weak