Niagen injections work by delivering a highly efficient, pharmaceutical-grade form of nicotinamide riboside (NR), a direct precursor to NAD+. Once in the body, NR is rapidly converted into NAD+, a vital coenzyme that fuels cellular energy production, supports DNA repair, enhances mitochondrial function, and promotes overall cellular health. As NAD+ levels naturally decline with age, s... https://www.inshapemdclt.com/