Gentian liqueur is a type of herbal liqueur made from the root of the gentian plant, known for its bitter flavor. It is often produced in regions of Europe, particularly in France and Switzerland. The liqueur is typically enjoyed as an aperitif or digestif, and it can also be used in cocktails. The production process involves macerating the gentian root in alcohol, which extracts its flavors and compounds. Afterward, sugar and other ingredients may be added to balance the bitterness. Gentian liqueur is recognized for its vibrant yellow color and complex taste profile, appealing to those who enjoy bold flavors.