1. From the nutritional value, grapes not only contain minerals such as calcium, potassium, phosphorus, iron and various vitamins, but also contain many essential amino acids. Chinese medicine also believes that grapes taste sweet and sour, enter the spleen, lungs and kidneys, and eating more grapes can play a role in invigorating qi and nourishing blood, nourishing kidney and benefiting liver. A large number of medical studies have proved that grapes have a certain auxiliary effect on the rehabilitation of patients with nephritis. It should be noted here that there are many kinds of grapes in the market with different colors, and black grapes are the best varieties for tonifying kidney. However, people with cold grapes and stomachs should be careful not to eat too much at a time. Second, Mulberry Mulberry, also known as mulberry fruit and jujube, is one of the fruits that people often eat and is called "folk sacred fruit". Chinese medicine believes that mulberry is sweet and sour, slightly cold, enters the heart, liver and kidney meridians, and has the functions of enriching blood and nourishing yin, promoting fluid production and moistening dryness, and tonifying liver and kidney. In addition, mulberry also contains a variety of vitamins, amino acids, carotene and other ingredients, especially effective for women. Regular use of mulberries can help beauty beauty and delay aging. 3. Blackcurrant Blackcurrant is also called black currant, black bean fruit and purple plum. The nutritional value of blackcurrant is extremely high. According to the statistics of scientists, every100g of blackcurrant contains 18 1 mg of vitamin C, 322 mg of potassium and various substances such as calcium, zinc, phosphorus, magnesium and iron. Has the effects of reducing blood fat, nourishing kidney, resisting oxidation and improving immunity. It is indeed a holy fruit for all ages. In addition, blackcurrant has high medicinal value, in which bioflavonoids can improve the permeability of blood vessels, delay aging and prevent cancer. Fourth, black dates When it comes to dates, everyone may immediately think of red dates. Jujube is sweet and has the effect of invigorating qi and benefiting blood. It is a sacred product for invigorating qi and nourishing blood, especially for women. But have you ever eaten black dates? According to research, red dates pay attention to enriching blood, but black dates pay attention to tonifying kidney. According to TCM records, black dates are sweet and astringent, cold in nature, and contain protein, fat, sugar and many vitamins, among which vitamin C, calcium and iron are the most, which have the effects of nourishing the spleen and stomach and nourishing kidney yin and blood. MM who wants to raise kidney can eat more black dates.