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 and the City of a Thousand Planets one of the pearls. Aboard their ship, he learns that Mül was destroyed 30 years earlier, and all information about it is classified. They return to Alpha, where their superior, frosty Commander Arün Filitt, informs them the center of the station has been infected by an unknown force, rendering it highly toxic. Troops sent into the area have not returned, and the infection is growing. Laureline and Valerian are assigned to protect the commander during an interstation summit to discuss the crisis. Against the Commander's wishes, Laureline maintains possession of the converter. During the summit, the humanoids suddenly attack, incapacitating