Every cell in your body runs on NAD+. It powers mitochondrial energy production, DNA repair, and the sirtuin enzymes that regulate cellular ageing. By age 60, NAD+ levels are roughly half of what they were at 20.
NMN (Nicotinamide Mononucleotide) is a direct NAD+ precursor. Supplementation has been shown in human trials to raise NAD+ levels significantly within weeks, with downstream improvements in muscle insulin sensitivity, vascular function, and reported energy.
Pair NMN with antioxidant support. NAC raises glutathione, the master antioxidant that protects mitochondria from the very oxidative stress that ageing produces. Together, NMN replenishes the cellular energy currency while NAC defends the machinery that uses it.
The longevity playbook is unglamorous: sleep, strength training, NMN, NAC, sunlight, social connection, time-restricted eating. The compounds are real, the lifestyle is non-negotiable.