Black beans soaked in vinegar is just a food, does not have efficacy, both for men and women, can only supplement the nutrients such as protein, fat and carbohydrates. Vinegar and black beans are both food, black beans soaked in vinegar do not have special medicinal value. The main nutrients of black beans are protein, fat, carbohydrates, in addition to richer dietary fiber and calcium, vitamins and other nutrients. Each 100 grams of black beans contains 401 calories, of which 36 grams of protein, 33.6 grams of carbohydrates, 15.9 grams of fat, 10.2 grams of fiber. Eating black beans soaked in vinegar has the same effect on men and women, which means that it can replenish the body’s energy, replenish the material basis of metabolism, and maintain the nutrients of the human body’s bones, skin mucous membranes, and cardiovascular system. It should be noted that vinegar soaked black beans are more acidic, which will stimulate the human body to further secretion of gastric acid, so people with excessive stomach acid, gastric ulcer patients should be cautious to consume; if you are allergic to black beans, you should be prohibited from eating.