1, black rice: it is rich in protein, amino acids and trace elements such as iron, calcium, manganese and zinc, and has the effects of nourishing yin and tonifying kidney, strengthening the body and warming the stomach;

2. Lycium barbarum: both food and traditional Chinese medicine. Sweet and flat in nature, it belongs to liver meridian and kidney meridian. Has the effects of tonifying kidney, replenishing essence, nourishing liver and improving eyesight;

3. Walnut: It can not only tonify kidney and replenish essence, but also be used as a nourishing and strong food.

However, these foods can only play an auxiliary role. If you want to nourish yin and tonify kidney, it is generally recommended to take Boqijian orally, which will change in a week or so. Persisting for a period of time can fundamentally supplement kidney nutrition and enhance renal function, thus playing the role of nourishing yin and tonifying kidney.