Valerian

Valeriana officinalis

This fact sheet provides basic information about the herb valerian: common names, uses, potential side effects, and resources for more information. Valerian is a plant native to Europe and Asia; it is also found in North America.

Common Names: valerian, all-heal, garden heliotrope

Latin Names: Valeriana officinalis

Uses:

• Valerian has long been used for sleep disorders and anxiety.
  
• Valerian has also been used for other conditions, such as headaches, depression, irregular heartbeat, and trembling.
  

The roots and rhizomes (underground stems) of valerian are typically used to make supplements, including capsules, tablets, and liquid extracts, as well as teas.

Scientific Research

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 anxiety or for other conditions, such as depression and headaches.

Side Effects and Cautions

• Studies suggest that valerian is generally safe to use for short periods of time (for example, 4 to 6 weeks).
  
• No information is available about the long-term safety of valerian.
  
• Valerian can cause mild side effects, such as headaches, dizziness, upset stomach, and tiredness the morning after its use.
  
• Tell your health care providers about any herb or dietary supplement you are using, including valerian. This helps to ensure safe and coordinated care.
  

Source:
U.S. National Institutes of Health