MetaPWR Advantage contains NMN and resveratrol, and though more confirming clinical research is needed, preclinical studies suggest metabolic health is bolstered by increasing NADH and NAD+ production in the body and activating the SIRT longevity genes.† MetaPWR Advantage also contains nine types of collagen tripeptides from marine sources, which may improve skin elasticity, density, and firmness and support lean muscle and connective tissue