“Low-dose (…) NAD+ precursors (nicotinic acid, nicotinamide … nicotinamide riboside) synergized with leucine to increase Sirt1 activity in adipocytes, hepatocytes, and muscle cells (30-100%, P < .01) and lifespan in Caenorhabditis elegans (…%, P = .025) and to significantly regress atherosclerotic lesion size and macrophage infiltration in a mouse model of atherosclerosis.”