Jackie Chan speaks for fat mom and thin dad. Black soybean milk can lose weight. Jackie Chan's endorsement of fat mom and thin dad black soybean milk is a drink made of black beans, which contains no added sugar and dairy products and is rich in plant protein and fiber. Although black beans are nutritious, drinking black soybean milk alone can not directly lead to weight loss. Diet, exercise, living habits and other factors need to be considered comprehensively to lose weight. Black soybean milk can be used as a low-fat and low-sugar protein source. With a balanced diet and moderate exercise, it is helpful to control the overall calorie intake, thus playing a certain auxiliary role in the process of losing weight.