Niacin (nicotinic acid, nicotinamide, vitamin B3) is one of the water-soluble B-complex vitamins and supports human health in a multitude of ways.

The vitamin Niacin contributes to
- normal energy-yielding metabolism
- the normal function of the nervous system
- the maintenance of normal skin and mucous membranes
- the reduction of tiredness and fatigue

Sources: Beef, liver, brewer's yeast, nuts, poultry and fish.