Valerian (herb) mild nervous tension and to aid sleep; EMA stated that although there is insufficient evidence from clinical studies, its effectiveness as a dried extract is considered plausible. In the United States, valerian extracts are sold as a nutritional supplement under the Dietary Supplement Health and Education Act of 1994. Oral forms are available in both standardized and unstandardized forms. Standardized products may be preferable considering the wide variation of the chemicals in the dried root, as noted above. When standardized, it is done so as a percentage of valerenic acid or valeric acid. Because the compounds in valerian produce central
Valerian (emperor) "The Hard Hours". He is referenced in Evelyn Waugh's "Helena": "Do you know what has happened to the Immortal Valerian?...They have him on show in Persia, stuffed." Valerian (emperor) Valerian (; ; 193/195/200260 or 264), also known as Valerian the Elder, was Roman Emperor from 22 October 253 AD to spring 260 AD. He was taken captive by the Persian Emperor, Shapur I, after the Battle of Edessa, becoming the first Roman emperor to be captured as a prisoner of war, causing shock and instability throughout the empire. Unlike many of the would-be emperors and rebels who vied for imperial