44730 - vitamins (efsa foodex2) 44770 - vitamin b3 (niacin, niacinamide) (efsa foodex2) The group includes Vitamin B3 used for fortification or enrichment of foods. Niacin (also known as vitamin B3 and nicotinic acid) is an organic compound with the formula C6H5NO2 and is one of the essential human nutrients] and [https://en.wikipedia.org/wiki/Vitamin_B3_] requires discussion