Bokbunja ju (hangul: 복분자주; hanja: 覆盆子酒; also spelled bokbunjaju, bokbunja-ju, or bokbunjajoo, and also called bokbunja wine) is a Korean traditional wine made from fermented Korean black raspberries called bokbunja (hangul: 복분자; hanja: ; Rubus coreanus). It is made by fermenting berries with water.
Bokbunja ju is crimson in color and sweet. It has between 15% and 19% alcohol by volume, depending on the brand. Koreans believe that it is good for health  and promotes male sexual stamina. It is often drunk on special occasions.