Research suggests that valerian may be helpful for insomnia, but there is not enough evidence from well-designed studies to confirm this.
There is not enough scientific evidence to determine whether valerian works for other conditions, such as anxiety or depression.
Studies suggest that valerian is generally safe to use for short periods of time. Consult a health care practitioner if insomnia persists beyond 3 weeks.
No information is available about the long-term safety of valerian.
Valerian can cause mild side effects, such as headaches, dizziness, uneasiness, upset stomach, and tiredness the morning after its use.
Some people may experience drowsiness. Be careful about operating heavy machinery or motor vehicles if you are taking valerian.
Valerian may increase the sedativesedativean agent that induces sleep, relaxes, and reduces tension effect of alcohol, benzodiazepines, and CNS depressants.
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.