What exactly is NAD+ and why does it matter?

NAD+ stands for nicotinamide adenine dinucleotide, a coenzyme present in every living cell. It acts as a helper molecule that carries electrons during energy metabolism and fuels enzymes involved in cellular repair. Researchers care because NAD+ sits at the crossroads of energy production, aging, and metabolic health.

What has research shown about NAD+?

Preclinical studies link NAD+ and its metabolism to mitochondrial function, metabolic disease, and cellular stress responses. For example, work in diabetic rodent models has explored how NAD+-related pathways contribute to metabolic and cardiac dysfunction. These findings are model-based and hedged — they describe what studies observed, not guaranteed effects in humans.

Is NAD+ FDA approved?

NAD+ itself is not an FDA-approved drug for any indication. It is a naturally occurring coenzyme studied widely in research settings. The material sold here is research-grade and supplied strictly for in-vitro and laboratory research use only — not for human or veterinary use.

How is NAD+ different from NMN and NR?

NMN (nicotinamide mononucleotide) and NR (nicotinamide riboside) are precursors — smaller building blocks that cells convert into NAD+. NAD+ is the finished coenzyme itself. Researchers often compare them to study which form is most useful for raising cellular NAD+ levels in a given experimental model.

What is the molecular structure of NAD+?

NAD+ has the molecular formula C21H27N7O14P2 and a molecular weight of 663.43 g/mol (CAS 53-84-9). Structurally it's a dinucleotide: two nucleotides — one carrying an adenine base, the other a nicotinamide group — joined by a pair of phosphate groups. That nicotinamide ring is the reactive part that accepts and donates electrons.

NAD+

The molecule your cells burn to make energy

99.90% pure on this exact lot, verified by an independent lab, not by us
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Size: 500mg

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99.90% pure on this exact lot, verified by an independent lab, not by us
Tested in America. Ships within 1 business day, stored frozen, stable at room temperature until you mix it
Retest it at any lab. If it doesn't match our report, every dollar back

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We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.

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NAD+ · 500mgLot 4AXHX7Live

Purity by HPLC-UV

99.90%

Tested by: Freedom Diagnostics
Tested on: 08 Oct 2026
Net content: 512.70 mg

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Freedom Diagnostics

Independent analytical lab

Certificate of Analysis

RESULT · PASS

Lot 4AXHX7Verified

NAD+ 500mg

HPLC purity

99.90%

Pass · Meets spec

Tested

08 Oct 2026

HPLC-UV + LC-MS

Analytical results

Identity (LC-MS)ConfirmedPASS

Net content512.70 mgPASS

HPLC Chromatogram

Main peak 99.90% · other 0.10%

Alex JohnsonPrincipal Chemist

Authentichain · Verified 63×

Energyredox cofactor

Repairsirtuins & PARPs

MetabolismNAD+/nicotinamide

How NAD+ works

Researchers study NAD+ across three connected roles it plays inside the cell.

Energyredox cofactor

NAD+ shuttles electrons during the reactions that convert food into ATP, so it's central to how cells generate usable energy.

Repairsirtuins & PARPs

NAD+ is the fuel for enzymes like sirtuins and PARPs that are studied for their part in DNA repair and cellular stress responses.

MetabolismNAD+/nicotinamide

The balance between NAD+ and its precursor nicotinamide is investigated for links to insulin handling and metabolic disease in preclinical models.

For research use only. Mechanisms described reflect published preclinical and clinical literature.

Every batch we've tested

Anyone can show you one good report. Here is every batch of NAD+ we have ever released, newest first, each with its own signed report. Nothing hidden, nothing cherry-picked.

14 batches on record · latest tested 08 Oct 2026