2. Women who insist on eating black beans every day have strong anti-aging ability and look younger and more beautiful than their peers. This is because black bean skin contains a lot of anthocyanins, which are the strongest antioxidants, several times stronger than vitamins. Moreover, black beans are also very effective in scavenging free radicals in the body, especially anthocyanins, which can enhance the moisturizing ability of the skin, strengthen the elasticity of the skin and reduce the loss of collagen in the skin. Therefore, the advantage of insisting on eating black beans is that it can become young and beautiful, and it can also protect the digestive function of the stomach. Secondly, women who insist on eating black beans can achieve the goal of losing weight and keep their bodies from rebounding. This is because black beans are low-sugar, low-fat and high-protein foods, and the nutrients contained in black beans can also inhibit fat synthesis and clean cholesterol in blood vessels. In particular, black beans have diuretic and edematous effects, which can increase water in the body, facilitate the excretion of metabolic waste toxins, and indirectly play the role of dehumidification and edematous.