Nicotinamide adenine dinucleotide (NAD⁺) is one of the most studied molecules in cellular biology — a universal redox cofactor that carries electrons between the reactions of energy metabolism as the NAD⁺/NADH couple. Beyond glycolysis and oxidative phosphorylation, NAD⁺ is the obligate co-substrate of the sirtuin (SIRT1–7) deacylases and the PARP DNA-repair enzymes, which places it at the centre of in-vitro work on mitochondrial function, redox balance and cellular signalling. This category groups the compounds Europe laboratories reach for when designing studies of cellular energy and the sirtuin axis.
Every vial listed here is intended strictly for laboratory and in-vitro research — not for human or veterinary use. Material is specified to a ≥99% purity target. Orders ship tracked from inside Europe. Independent Certificates of Analysis from Janoshik Analytical are published per product — see our testing standard for how we document identity and purity.
In the laboratory, NAD⁺ (nicotinamide adenine dinucleotide) is studied as a universal redox cofactor and enzyme co-substrate — the NAD⁺/NADH couple in energy metabolism, and the co-substrate of the sirtuin (SIRT1–7) and PARP enzyme families in redox-balance and cellular-signalling work. It is supplied strictly for in-vitro laboratory research. We make no claims regarding use in humans or animals.
Material is specified to a ≥99% purity target. Independent Certificates of Analysis from Janoshik Analytical are published per product; see our COA page for how we document identity and purity.
All products are supplied for laboratory and in-vitro research use only. Nothing on this page is a medical claim, dosing guidance, or an offer of any product for human or animal consumption, diagnosis, or treatment.
Neutral reference material and buyer methodology from across the site. Research use only.
A literature-grounded overview in a strictly descriptive, research-only voice.
The redox coenzyme — and the line between its settled biochemistry and the claims made about it.
Diluents, procedure, storage temperatures and shelf-life for lyophilised reagents.
The eight checks that separate a real Certificate of Analysis from a convincing PDF — run them on us too.
Occasional, useful email: new-batch and restock notices, the free reconstitution calculator and guides, plus FIRST10 for 10% off your first order. No daily blasts.
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