Introduction

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

What It Is Used For

• 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.

How It Is Used

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

What the Science Says

• 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.
• NCCAM is funding a study to look at the effects of valerian on sleep in healthy older adults and in people with Parkinson's disease.