Part of the B vitamin family, niacin, or vitamin B3, Niacin is involved in the breakdown of fats, carbohydrates and proteins for energy, and plays a role in healthy circulation and cardiovascular function. Niacin is thought to help support healthy cholesterol in persons already within a normal range, and can be beneficial to skin health.

Its powerful support for healthy blood flow may cause your skin to temporarily appear red in a benign reaction known as the "niacin flush." This simply means niacin is doing its job!