Official Peptides offers research-grade NAD+ (nicotinamide adenine dinucleotide) at verified purity with full third-party documentation. We maintain consistent stock and ship from the US with fast dispatch. Researchers studying cellular energy metabolism, sirtuins, and aging biology choose Official Peptides for our quality standards and reliable supply chain.
NAD+ is an essential coenzyme found in all living cells, playing a central role in cellular energy metabolism through the electron transport chain and as a substrate for signaling enzymes including sirtuins (SIRT1-7), PARPs, and CD38/CD157. NAD+ levels decline with age, and research has extensively examined whether restoring NAD+ availability affects aging-related processes, metabolic function, DNA repair, and mitochondrial health. Both direct NAD+ supplementation and precursor approaches (NMN, NR) are active areas of research. For research use only.
Q: What is the difference between NAD+ and its precursors NMN and NR in research?
A: NAD+ is the active coenzyme form; NMN (nicotinamide mononucleotide) and NR (nicotinamide riboside) are biosynthetic precursors that cells convert to NAD+. Research on direct NAD+ administration examines intracellular delivery challenges, while precursor research focuses on oral bioavailability and tissue-specific conversion rates. Both approaches are studied in the context of NAD+ repletion biology.
Q: Why does NAD+ decline with age?
A: Age-related NAD+ decline is thought to result from reduced biosynthesis combined with increased consumption by aging-related pathways including PARP activation in response to cumulative DNA damage and increased CD38 activity. Research into NAD+ restoration aims to determine whether addressing this decline can slow aging-associated phenotypes.
Q: How should NAD+ be stored to maintain stability?
A: NAD+ is hygroscopic and susceptible to degradation by heat and moisture. Store lyophilized NAD+ at -20°C in a sealed container with desiccant for long-term preservation. Prepare working solutions fresh; avoid repeated freeze-thaw cycles of reconstituted material.
Purchase research-grade NAD+ from Official Peptides. Secure checkout, US-based shipping, and quality documentation on every order. Free shipping on orders over $150. Add to cart now.
For Research Use Only. This compound is intended strictly for in vitro laboratory research by qualified scientists. Not for human consumption. Not FDA approved. Keep out of reach of children.
We don't just claim purity — we prove it. Every batch of NAD+ (500mg) is independently tested by an accredited third-party laboratory before it reaches you. Your COA is linked to your specific lot number.
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