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 the war, as was the cover-up to prevent the humans from being expelled from Alpha. Valerian and Laureline disagree, stating that the commander has only been trying to save himself from the consequences for his actions, before Valerian knocks him out again. Valerian hands over the pearl he stole, and Laureline persuades him to return the converter too, ignoring procedures. While the Pearls' spacecraft prepares for takeoff, Filitt's pre-programmed robot K-Tron soldiers attack the Pearls, the government soldiers who were sent to assist Valerian, and their support staff, but are ultimately defeated. The spacecraft departs and Filitt is arrested. Valerian