Vitamin B3

Overview

Vitamin B3, also known as niacin (nicotinic acid) is one of the 8 water-soluble B vitamins. The Niacinamide and Nicotinic Acid forms of vitamin B3 are absorbed via the Small Intestines. The Nicotinic Acid form is additionally absorbed via the Stomach. While 0.3% of ingested Vitamin B3 enters th ...