Chartreuse today is still made from 130 alpine herbs according to an ancient 1605 formula. The secret method of preparation is shared by three Carthusian brothers and is protected by vows of silence. Chartreuse is sold in America as a Green or Yellow Liqueur, the latter being sweeter and milder. 40% ABV.
Chartreuse is a French liqueur made by the Carthusian Monks since the 1740s. It is composed of distilled alcohol aged with 130 herbal extracts. The liqueur is named after the Monks' Grande Chartreuse monastery, located in the Chartreuse Mountains in the general region of Grenoble in France. The liqueur is produced in a factory in the nearby town of Voiron (Isère).