The main function of vitamin B3 in the body is to aid in the metabolic process, which transforms food nutrients into physical energy. It is part of the constitution of the enzymes and influences the obtaining of energy.
Vitamin B3 also helps lower cholesterol in the blood.
Doctors recommend daily intake of 16 mg of vitamin B3 for adult men, and 14 mg for women.
The lack of this vitamin can cause symptoms like diarrhea, lack of appetite and weight loss. The treatment of symptoms is done with increasing daily consumption of this vitamin or with vitamin supplements.