Niacinamide is a form of Vitamin B3 which does not cause flushing or skin irritation.* It is required for the proper function of more than 50 enzymes and the synthesis of energy as ATP.* It helps support cartilage, joint function and joint mobility, as well as skin health.* Niacinamide can also help to moderate occasional simple nervous tension and nervous irritability.* It may promote a relaxed feeling.*