Niacin (vitamin B3): Uses, dosage, side effects
Niacin is a B vitamin that helps keep your nervous system, digestive system, and skin healthy. Niacin (vitamin B3) is often part of a daily multivitamin. Foods rich in niacin include yeast, milk, meat, tortillas, and cereals. 1. What is Niacin (vitamin B3)? Niacin, or nicotinic acid, commonly known...
