NAD+: The Cellular Coenzyme at the Center of Longevity Research
NAD+ is a coenzyme central to mitochondrial energy, sirtuin signaling, and DNA repair - and its age-related decline is one of the most-studied themes in longevity science. How it differs from NMN and NR.
NAD+ (nicotinamide adenine dinucleotide) is not a peptide - it is a coenzyme - but it sits at the center of the same cellular-energy and longevity research conversation as the peptides in our catalog. This article explains why.
What NAD+ does in the cell
NAD+ is an essential coenzyme in oxidative phosphorylation, the process cells use to convert nutrients into usable energy. It is also a required substrate for two important enzyme families: the sirtuins (SIRT1–7), which are involved in metabolic and stress-response signaling, and PARP enzymes, which participate in DNA repair.
Why NAD+ is central to longevity research
Cellular NAD+ levels decline with age across many tissues. Because sirtuins and DNA-repair enzymes depend on NAD+, this decline has become one of the most-studied themes in longevity science over the past decade. Much of the research focuses on whether and how NAD+ availability can be maintained.
NAD+ vs NMN and NR
NMN (nicotinamide mononucleotide) and NR (nicotinamide riboside) are precursors that cells convert into NAD+. This product is NAD+ itself, supplied as a reference-grade research compound rather than a precursor.
Quality and verification
Caesar Biomedical NAD+ is supplied as a reference-grade research compound with per-lot HPLC quantification, independently verified in Dubai or the UK. NAD+ is sensitive to heat and pH extremes, so handling guidance matters - see the product page.
Explore the compound
NAD+
Nicotinamide Adenine Dinucleotide · coenzyme research compound
Frequently asked questions
- Is NAD+ a peptide?
- No - NAD+ is a dinucleotide coenzyme. We include it because it is central to the same cellular-energy and longevity research as the peptides we carry, and is frequently studied alongside them.
- How is NAD+ different from NMN or NR?
- NMN and NR are precursors the body converts into NAD+. This product is NAD+ itself.
For laboratory research use only. This article references published preclinical and clinical literature and is not medical advice, a therapeutic claim, or a recommendation for human use.