Niacin - Vitamin B3 - Definition

Ask a question


Niacin, or vitamin B3, is a vitamin involved in metabolism, notably breaking down food to provide energy used by the body. As with all vitamins, it is supplied by the diet, mainly found in vegetables, meat, and milk. Deficiency in niacin can cause Pellagra, manifesting as digestive disorder with diarrhea, skin acne resembling redness essentially affecting the face, neck, hands, and torso, along with potential mental disorders.