Combining nicotinamide mononucleotide and nicotinamide riboside creates a comprehensive approach for restoring NAD+ levels. These synergistic compounds work through different biosynthetic pathways to enhance cellular health. Nicotinamide mononucleotide employs the direct cellular uptake, while this compound stimulates NRK1 and NRK2 enzymes. This strategic combination enhances SIRT1 function, healthy aging processes, and metabolic health.