What is "vitamin b3"

niacinamide \niacinamide\ n. The amide of niacin (nicotinic acid), called also nicotinamide. It was at one time called vitamin B3, and can function to relieve nicotinic acid deficiency. Chemical formula C6H6N2O, chemically it is 3-pyridinecarboxamide.

Syn: nicotinic acid amide, nicotinamide.

vitamin B3 \vitamin B3\ n. See nicotinamide.

Syn: nicotinamide.

n. niacin