Niacin is essential for converting nutrients into energy and is involved in DNA repair and the production of stress and sex hormones. It has been shown to support cardiovascular health by improving cholesterol levels and may also aid in brain function.
Miller, M., Stone, N. J., Ballantyne, C., Bittner, V., Criqui, M. H., Ginsberg, H. N., ... & American Heart Association Clinical Lipidology, Thrombosis, and Prevention Committee of the Council on Nutrition, Physical Activity, and Metabolism. (2011). Triglycerides and cardiovascular disease: a scientific statement from the American Heart Association. Circulation, 123(20), 2292–2333.