Cognitive / LongevityVerified

NAD+

Nicotinamide adenine dinucleotide

A ubiquitous redox coenzyme central to cellular energy metabolism and a substrate for enzymes such as sirtuins and PARPs; it is a coenzyme, not a peptide. Studied in aging, metabolic, and neurological research; cellular levels reportedly decline with age.

Category
Cognitive / Longevity
Half-life
Intracellular turnover ~1-4 h
Common vial
100, 500 mg
Reference
Verified
01

Half-life

Intracellular turnover ~1-4 h (compartment-dependent); a single plasma half-life is not well defined. Half-life is an educational pharmacology figure, drawn from public sources, and is not a schedule or dosing instruction.

02

Storage & handling

Sensitive to heat, light, and moisture; injectable forms kept refrigerated or frozen and protected from light; reconstituted solutions used within a limited window.

03

References

  • NAD precursors review (PMC8612620)

Educational reference only, compiled from public sources. Not medical advice, diagnosis, treatment, or a dosing recommendation, and not a recommendation to use any compound. Many compounds listed are research materials not approved for human use. Consult a qualified professional.