1, the efficacy of black beans: The ancients thought that beans were the valley of kidney, and black beans looked like kidneys, which were sweet and flat in taste, and had the effects of tonifying kidney, strengthening body, promoting blood circulation and diuresis, detoxifying, promoting blood circulation and moistening skin, especially suitable for people with kidney deficiency. Douchi brewed from soybeans has the effects of detoxification, vexation and depression. Soymilk and tofu made of black beans are the best food for patients with alopecia, so they have the reputation of "brunette".

2, the effect of black mulberry: Mulberry is rich in nutrients, containing a variety of amino acids, vitamins and organic acids, carotene and other nutrients. Modern medical research has proved that Mulberry has the functions of enhancing immunity, preventing arteriosclerosis of human arteries and bones and promoting metabolism. From the point of view of traditional Chinese medicine, mulberry is sweet and sour, cold in nature, enters the lung, liver, kidney and large intestine meridian, and has the effects of nourishing liver and kidney, promoting fluid production and moistening intestines, and nourishing the purpose of invention. Therefore, white-collar workers who use their eyes too much can eat more mulberries.

3, the effect of black sesame: black sesame is sweet and flat, with the function of nourishing liver and kidney, nourishing blood and moistening dryness. Black sesame is rich in vitamin E, which can delay aging. Has the functions of moistening five internal organs, strengthening bones and muscles, and benefiting qi. It can strengthen the body, prolong life, nourish liver and kidney, moisten spleen and lungs, dry cough due to lung yin deficiency, dry skin due to gastrointestinal yin deficiency, and constipation.