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 Stan cu degetele în urechi” and editorial by Cristian Tudor Popescu „Guvernul conduce reforma pe ultimul drum”; Magazine 22, 8-14 iulie 1997, „Compromis la Guvern/ Valerian Stan – Casele, demnitarii şi demnitatea”; România liberă, 19 iulie 1997, „Lista lui Stan/ Moşierii nu mai vin, i-a făcut regimul Iliescu/ 11.000 de hectare de terenuri agricole luate cu japca doar în 4 judeţe”; România liberă, 26 august, editorial by Octavian Paler „Bizareriile d-lui Ciorbea”; Evenimentul zilei, 28 august 1997, „Prin demiterea lui Valerian Stan, Guvernul rade incoruptibilii”; Adevărul, 28 august 1997, „Monstruoasa coaliţie l-a demis pe Valerian Stan”, editorial by Adrian Ursu; România