White kidney bean coffee is good. Canna avocado black coffee will cause gastrointestinal irritation, dependence and tooth pigmentation in the process of long-term drinking, while white kidney bean coffee can not only prevent the intake and absorption of fat, but also enhance the satiety of intestines, fully burn the accumulated fat and calories in the body, thus achieving the effect of losing weight and avoiding the accumulation of fat in the body, so white kidney bean coffee is good.