NAD+ Research Guide
For laboratory and research use only. Not for human or veterinary use. This page summarizes published scientific literature for educational purposes only.
NAD+ (nicotinamide adenine dinucleotide) is one of the most-studied coenzymes in cellular biology and a common reference compound in metabolic and aging research. This guide covers what NAD+ is, the cellular roles examined in the literature, and how the research-grade material is handled in the lab.
What is NAD+?
NAD+ is a coenzyme found in every living cell, built from nicotinamide and adenine nucleotide subunits. It is frequently searched as the “NAD+ peptide” — technically it is a dinucleotide rather than a peptide, but it is widely grouped with research compounds studied for cellular energy and longevity. NAD+ exists in two interconverting forms, NAD+ (oxidized) and NADH (reduced), that shuttle electrons through metabolism.
Cellular roles studied in research
In the published literature, NAD+ is described as central to two broad functions: as a redox cofactor that transfers electrons in the reactions generating cellular energy (ATP), and as a substrate consumed by enzymes such as the sirtuins and PARPs, which are studied in connection with gene regulation, DNA repair, and cellular stress responses. Research also reports that NAD+ levels decline with age, which has driven scientific interest in NAD+ metabolism (Covarrubias et al., Nature Reviews Molecular Cell Biology, 2021).
What the research literature examines
NAD+ and NAD+-boosting molecules are examined in experimental models for their relationship to mitochondrial function, metabolic regulation, DNA-repair pathways, and age-related cellular changes (Rajman, Chwalek & Sinclair, Cell Metabolism, 2018). These are areas of active laboratory investigation; published work centers on cellular and animal models rather than approved human therapies. Researchers should consult primary sources on PubMed.
Note: descriptions of NAD+’s cellular roles summarize published research and are not health claims. The research-grade material supplied here is for laboratory use only.
Research formats and routes
In research settings NAD+ is studied through several delivery formats, because the molecule’s size and charge affect cellular uptake. MyGLP1Store offers NAD+ as a lyophilized NAD+ vial for reconstitution, supplied strictly for laboratory research use.
Laboratory handling
Research-grade NAD+ ships as a lyophilized (freeze-dried) powder and is characterized by HPLC, with a Certificate of Analysis available on our Lab Results page. NAD+ is light- and moisture-sensitive and is typically stored cold and protected from light. Before use it is reconstituted with sterile bacteriostatic water; our reconstitution calculator returns the exact diluent volume. Bacteriostatic water is included free with every order.
Frequently asked questions
Is NAD+ a peptide?
No — despite the common “NAD+ peptide” search term, NAD+ is a dinucleotide coenzyme, not a peptide. It is grouped with research peptides only because laboratories study it alongside them.
What does NAD+ do in the cell?
Published research describes it as a redox cofactor in energy metabolism and as a substrate for sirtuin and PARP enzymes involved in DNA repair and cellular signaling.
How is research-grade NAD+ stored?
As a lyophilized powder kept cold and protected from light; reconstituted solutions are refrigerated per protocol.
What diluent is used to reconstitute it?
Sterile bacteriostatic water; the exact volume depends on the vial’s milligram content and the target concentration.
Disclaimer: Research-grade NAD+ supplied by MyGLP1Store is strictly for laboratory and in-vitro research. It is not an approved drug, not a supplement, and not for human or veterinary use.

