No. NMN is a nucleotide and a precursor to NAD+, not a peptide, but it is frequently sold by research peptide vendors for the same longevity and metabolic applications.

How does NMN raise NAD+ levels?

NMN sits one enzymatic step away from NAD+ in the salvage pathway, so cells convert supplied NMN into NAD+ relatively quickly, replenishing pools that decline with age.

Why is NMN usually taken orally?

NMN is studied predominantly as an oral compound, with research examining its uptake and conversion to NAD+ after ingestion.

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Longevity & Anti-aging

Weight & Metabolic

Research Chemical

NMN

Also known as: NMN, Nicotinamide Mononucleotide

NMN is a direct biosynthetic precursor of NAD+ used to raise cellular NAD+ levels. It is studied for longevity, metabolic health, and mitochondrial function. Note: NMN is a small-molecule NAD+ precursor, not a peptide, but is catalogued with longevity research compounds.

Mechanism of Action

Nicotinamide mononucleotide (NMN) is generated from nicotinamide and PRPP via NAMPT and is converted to NAD+ by the NMNAT family of enzymes, placing it one step from NAD+ in the salvage pathway. By supplying this precursor, NMN raises intracellular NAD+ pools that fuel sirtuin activity, PARP-mediated DNA repair, and mitochondrial energy metabolism. Cellular uptake is supported by the transporter Slc12a8 in some tissues, allowing NMN to bypass slower de novo synthesis. The resulting increase in NAD+ availability is the basis for NMN's investigated effects on metabolic flexibility, vascular function, and biological aging.

Half-life: Short in plasma as NMN is rapidly taken up and converted to NAD+
Administration Routes: oral
Research Status: Research Chemical

NMN

Also known as: NMN, Nicotinamide Mononucleotide