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NAD+ — a central metabolic coenzyme used as a research-grade reference compound for metabolism, sirtuin, and DNA-repair studies.
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NAD+ (the oxidized form of nicotinamide adenine dinucleotide) is one of the most important molecules inside every cell. It shuttles electrons during energy production and is the fuel for sirtuin enzymes (involved in cell-aging research), PARP enzymes (DNA repair), and CD38 (immune signaling). In the lab, it's a standard reference compound.
How it's been studied: Researchers use NAD+ in two main ways: as the substrate in enzyme-activity assays (especially sirtuin and PARP assays), and as a reference for measuring the cellular NAD+/NADH ratio — a popular readout of metabolic health in cultured cells.
Where you'll see it in research:
Handling notes: Pulls moisture from the air and degrades at extreme pH. Store dry; reconstitute fresh for kinetic assays where possible.
Every batch is third-party tested for purity, identity, and contaminants. Download the COA for the lot you receive.
Molecular Weight
663.43 g/mol
Form
Lyophilized powder
Storage
Lyophilized: -20°C for long-term, 2-8°C short-term. Reconstituted: 2-8°C, use within 30 days; pH-sensitive.
Sequence
(not applicable — dinucleotide)
All compounds are sold individually and do not include reconstitution supplies, syringes, or aliquoting tools. Products ship in lyophilized (freeze-dried) form and require proper reconstitution before use in research settings. See our Reconstitution Solution page for laboratory-grade bacteriostatic water.
Research use only — not for human or animal consumption. See our Research Use Disclaimer.
