Vitamin B is a key nutrient for food to release energy and plays an important role in the process of digestion, absorption and metabolism.

Lack of vitamin B will slow down the metabolism of human body, reduce the energy utilization rate, and then cause fatigue, increased pressure and discomfort in various parts of the body such as mouth and skin.

B vitamins are called anti-stress vitamins, which can soothe the nerves, relieve fatigue and anxiety and help sleep.

Shanyuantang is good.