Valerian (/ vəˈlɪəriən / və-LEER-ee-ən; Latin: Publius Licinius Valerianus; c. 199 – 260 or 264) was Roman emperor from 253 to spring 260 AD. He rose to power during a particularly unstable period during the Crisis of the Third Century and appointed his son Gallienus as co-emperor. Valerian overview for health professionals. Research supplement sources, historical uses, health effects, safety, and interactions here. Overview: Valerian is a plant called Valeriana officinalis. The root and root-like parts of valerian are used to make teas and dietary supplements, such as tablets or capsules. People take. What is valerian? Valerian is a flowering plant, the root of which is dried and used as an herbal remedy. Valerian has been used in alternative medicine as a possibly effective aid in treating sleep problems (insomnia). Valerian (Valeriana officinalis) is an herbaceous perennial flowering plant in the family Caprifoliaceae, native to Europe and southwestern Asia. [1][2] It is the type species of the genus Valeriana. This fact sheet provides basic information about valerian—common names, usefulness and safety, and resources for more information. Valerian is an herb that’s commonly used as an ingredient in sleep aid supplements. It may also help you relax, as well as help reduce mood symptoms like anxiety. 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. Many people throughout the world use valerian to treat insomnia and anxiety. However, it's important to use this herb with caution. WebMD explains. What is valerian? Valerian is a flowering plant, the root of which is dried and used as an herbal remedy. Valerian has been used in alternative medicine as a possibly effective aid in treating sleep problems (insomnia).