What is NAD+ and what is it studied for?

NAD+ is the oxidized form of nicotinamide adenine dinucleotide, the central hydride-carrying coenzyme in cellular redox reactions. In research it is a reference probe for mitochondrial electron transport, sirtuin deacetylase activity, PARP-family DNA-repair enzymes, and the NAD+/NADH ratio as a cellular energy-state readout. It is supplied strictly for laboratory research as a reactive biological cofactor.

How is NAD+ purity verified?

Every batch ships with an independent ISO/IEC 17025 Certificate of Analysis covering HPLC purity at 214 nm, mass-spec identity confirmation, endotoxin by LAL, and residual solvent against ICH Q3C limits. The batch number printed on the vial label resolves against the public COA at /verify so a vial can be cross-checked against the lab record in one step.

How should NAD+ be handled and stored?

NAD+ is supplied lyophilized and is best stored sealed at minus 20 degrees Celsius to preserve the oxidized form. Reconstituted NAD+ is more labile — convert freshly, keep on ice during the assay, and protect from light. Repeated freeze-thaw cycles degrade the cofactor, so aliquot the reconstituted material into single-use vials before storage.

Is NAD+ legal to import for research?

NAD+ is sold as a research-grade cofactor. Import rules vary by jurisdiction and change often — the buyer is the importer of record and is responsible for confirming that the destination permits the imported material. We cancel and refund any order bound for a destination that has changed status before dispatch.

Why is NAD+ supplied lyophilized rather than in solution?

In solution NAD+ hydrolyzes over time, shifting the cofactor pool toward inhibitors of NAD+-consuming enzymes. Lyophilization locks in the oxidized form at the assay date and avoids the cold-chain burden of shipping a wet, labile cofactor. Most users reconstitute fresh on the day of the assay.

NAD+ deep dive · research transcript

NAD+ (Nicotinamide Adenine Dinucleotide)

NAD+ is the oxidized form of nicotinamide adenine dinucleotide, the central hydride-carrying coenzyme in cellular redox reactions. Studied as a reference cofactor for mitochondrial energy metabolism, sirtuin deacetylase activation, and PARP-family DNA-repair signaling, it appears in the literature as a probe of cellular energy state rather than a systemic agent.

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How to read this Certificate of Analysis

Five fields, plain English.

Batch ID
The lookup key — printed on the vial label and on the public certificate. Type it into the input above to swap the verified record inline, or click any Sample-batch chip to jump straight to another COA shipped by this catalog.
Third-party lab
Apex Veritas Analytical — ISO/IEC 17025-accredited, not an in-house assay. The lab name on the certificate is the auditing point of record; the printed batch resolves against the lab report, not a marketing claim about purity.
Purity %
Reported from HPLC at 214 nm — the absorbance maximum for the oxidized nicotinamide cofactor and the standard identity + purity assay for this material. The chromatogram is the visual proof: the printed percentage is the integrated area of the dominant cofactor peak against the total integrated area.
Test date
The calendar date the assay was run — distinct from the manufacturing date. Because the reconstituted cofactor hydrolyzes over time, a recent test date is what matters: the certificate reflects the vial as it sits on the shelf today, not a snapshot from months ago.
Residual solvent
Trace synthesis solvent carried through the purification step, reported in parts-per-million against the ICH Q3C safety threshold. A clean residual-solvent panel signals how thoroughly the crude lyophilized cofactor was purified before bottling.

How this batch was made

Three steps from synthesis to a signed certificate.

Lyophilization

The oxidized cofactor is freeze-dried from the working buffer to lock in the NAD+ form at the assay date — in solution it hydrolyzes and shifts the pool toward inhibitors of NAD+-consuming enzymes. The sealed lyophilized cake preserves the cofactor until the day of reconstitution.

HPLC

Reverse-phase high-performance liquid chromatography at 214 nm is the identity + purity assay for this material. The chromatogram is the visual proof that the right cofactor is the dominant peak; the 99.6% printed on the certificate is the integrated area of that peak against the total integrated area.

Mass spec

Electrospray ionization mass spectrometry is the identity confirmation; the observed molecular ion mass is read against the theoretical monoisotopic mass for NAD+ so the framework of the recovered cofactor matches the formula on file (C21H27N7O14P2).

Other research lineages in this catalog.

Recovery peer · BPC-157

BPC-157 (Body Protection Compound-157)

Synthetic 15-amino-acid recovery probe studied in tendon-, ligament-, and wound-healing models as a focused read on the regenerative signaling cascade.

Read the BPC-157 research hub

Metabolic peer · Tirzepatide

Tirzepatide (GIP/GLP-1 dual agonist)

Synthetic 39-amino-acid dual-incretin probe that engages both the GIP and the GLP-1 receptor in a single molecule — paired with the NAD+ cofactor to contrast the redox-regulatory and incretin-signaling research lineages.

Read the Tirzepatide research hub

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