Niacinamide
Niacinamide is the main form of vitamin B3 that circulates in the bloodstream and is needed for the synthesis of cellular energy (ATP), the activation of folate and the regeneration of glutathione, a critical component of the body’s endogenous antioxidant network.* Niacinamide and niacin are the two forms of vitamin B3. Niacinamide is the form that does not cause flushing or skin irritation.*