Theagehack NMN (Beta-Nicotinamide Mononucleotide) is a premium longevity supplement designed to replenish declining NAD⁺ levels—an essential molecule for cellular energy, DNA repair, and activation of sirtuins, the genes associated with anti-ageing. As a direct precursor to NAD⁺, NMN supports stronger cellular function, healthier ageing, and improved energy production. Pioneered and popularised by Australian Harvard scientist Dr. David Sinclair, NMN is one of the most researched molecules in the longevity space, supported by more than 300 scientific papers. Taken daily, it helps extend your health span—the years lived in good health, with vitality and resilience.