Best Valerian for Sleep
Top 0 products ranked
Last reviewed May 2026
Clinical dose: 300–600 mg
Why Valerian for Sleep
Valerian plays a supporting role in sleep. Valerian is one of the most popular traditional sleep herbs, but clinical evidence is remarkably weak after decades of study. Multiple systematic reviews found significant methodological problems and inconsistent outcomes. In clinical studies, valerian traditional use for sleep support, though clinical evidence is weak.
What dose to look for
Clinical studies typically use 300–600 mg of valerian. Standardized extract (0.8% valerenic acids), taken 30-60 minutes before bed. Products below this range may not deliver meaningful results.
What the research says
Valerian has limited clinical evidence for sleep benefits. Decades of study but remarkably weak clinical evidence; objective sleep measures rarely improved Learn more
Clinical research on Valerian Root
LOW — Despite long traditional use, clinical evidence is weak · 300–600 mg standardized extract
- •2006 systematic review of 16 RCTs (1,093 patients) found most studies had significant methodological problems. Evidence of publication bias detected.
- •2024 umbrella review concluded evidence on clinical effectiveness is 'very weak' — systematic reviews reached contradictory conclusions.
- •Multiple systematic reviews found 9 of 16 studies showed no positive outcomes. Objective sleep measures rarely improved.
- •One of the most popular 'sleep herbs' yet evidence is remarkably weak after decades of study. Consumer perception far outpaces clinical support — the 'biotin of sleep.'