Niacinamide
Niacinamide, also known as vitamin B3 or niacin, is a member of the B vitamin group. It plays an important physiological function in the human body, including participating in energy metabolism, maintaining the normal operation of the nervous system, maintaining the health of the digestive system, and maintaining the health of the skin. Overall, niacinamide plays an important physiological function in the human body and is essential for maintaining good health. Moderate intake of niacinamide can help maintain normal energy metabolism, nervous system function, digestive system function, and skin health.