What is niacin?
Niacin functions as a cosubstrate or coenzyme for the transfer of hydride ion.

What happens if I have a deficiency in niacin?
Niacin deficiency is rarely seen in developed countries, but it is usually apparent in conditions of poverty, malnutrition, and chronic alcoholism. Pellagra is a classic manifestation of a severe niacin deficiency. Symptoms include rash, red tongue, digestive changes and neurological impairments.

What happens if I have excess niacin?
Excess niacin intake from food is not associated with any health risk.


Source: DRI for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (1998)

Disclaimer: This website provides information that should not take the place of medical advice. We encourage you to talk to your healthcare providers about what may be best for your overall health.