There are many reasons for fatigue, such as heavy work pressure and sub-health ... Only by finding the root cause can we prescribe the right medicine. There are also people with yin deficiency, and it is easier to get angry when drinking ancient Chinese health essence. This health care product is not suitable for everyone. It is best to find out what kind of constitution you belong to before taking it. It is suggested to exercise more and arrange diet and rest reasonably. I wish you the best of health!