Kidney is congenital, especially in men. If the constitution is poor, it is likely to be kidney deficiency. If it is kidney deficiency, take Wuzi Yanzong Pill, which is the most popular kidney-tonifying product in major online pharmacies and is also very cheap. The Central 10 Road to Health was also recommended by the professor of Chinese Academy of Traditional Chinese Medicine.
In addition, while nourishing, we must adhere to moderate exercise. It is also good to eat properly and ensure sleep.