Is valerian safe, and does it actually work? Results from multiple studies indicate that valerian — a tall, flowering grassland plant — may reduce the amount of time it takes to fall asleep and help you sleep better. Of the many valerian species, only the carefully processed roots of the Valeriana officinalis have been widely studied.

Understanding the Context

Valerian. In some studies, people who used valerian reported less anxiety and stress. In other studies, people reported no benefit. Valerian is likely safe at recommended doses for a short time.

Key Insights

Because long-term safety trials are lacking, don't take it for more than a few weeks at a time, unless your doctor or other medical professional approves. More Information Insomnia care at Mayo Clinic Valerian: A safe and effective herbal sleep aid?