(SW049)Niacinamide 250 mg 250 CapsSupports carbohydrate metabolism for energy production Supports cardiovascular health A versatile form of vitamin B3 Swanson Niacinamide is not just another niacin! Although they're closely related and their names are similar, there are some big differences between niacinamide and regular niacin. Both play vital roles in carbohydrate metabolism, helping to supply the entire body with energy, but niacinamide also supports joint health and helps