* Chestnut: Sweet and warm, it has a good kidney-tonifying effect, especially suitable for people with kidney deficiency and soft legs.

* Black rice: it is a common ingredient for tonifying kidney, and is often used to treat alopecia, gray hair and chapped skin caused by liver and kidney deficiency. Patients with constipation can also eat black rice.

* Black sesame: rich in vitamin E, it can delay aging, strengthen the body, nourish and cure the kidney, and relieve constipation symptoms caused by gastrointestinal yin deficiency.

* Black dates: cold in nature, rich in protein, fat and multivitamins. Among them, vitamin C and calcium have the functions of strengthening spleen and tonifying kidney.

* Mulberry: it tastes sweet and cold, and has the effect of tonifying kidney and fixing essence. Long-term consumption can blacken hair and improve eyesight, not only tonify kidney, but also protect liver and nourish yin.

The kidney-tonifying effect of food varies from person to person, and the specific effect may vary according to personal physique and living habits. When choosing food, we should combine our own situation and work needs, pay attention to moderate consumption and maintain a balanced diet.