1, generally speaking there is no harm in drinking every day.

2, the function of the black bean is beneficial to the eyes, nourish the blood and wind, water, detoxification. Used for yin deficiency thirst, dizziness, dizziness, weakness, sweating, kidney deficiency lumbago, edema and urination, paralysis, contracture, numbness of the hands and feet, medicine and food poisoning, etc. Generally speaking, drinking black beans boiled water mainly has the following effects: black beans are the representative of the black food, but also particularly conducive to the beauty of the food, there is a tonic kidney hair, nourish the face and detoxification, moisturize the skin, clean up the intestinal tract, the benefits of diuresis and swelling. Black beans have the effect of nourishing kidney yin, suitable for anti-aging, moisturizing and hair. This is due to the abundance of vitamin E and B vitamins in black beans, which have a direct effect on slowing down aging and nourishing the skin. The fatty acids contained in black beans consist of a variety of unsaturated fatty acids, which can effectively prevent and control cardiovascular disease. The rich dietary fiber in black beans can effectively clean up the intestinal tract and effectively prevent constipation and edema.