Nicotinamide Mononucleotide

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    Last Updated: September 4, 2025

    Nicotinamide mononucleotide (NMN) is a form of vitamin B3 taken to boost levels of NAD+ and for its purported anti-aging effects. Although NMN was formerly available as a supplement, classification of NMN in the U.S. as an investigational drug has reduced its availability to consumers in the U.S.[2]

    Overview

    Dosage information

    NMN has been taken by mouth in doses of 250–1200 milligrams daily for 4–12 weeks. Higher doses of 2000 milligrams daily have been taken by mouth for 2 weeks.[1]

    Safety Information
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    Frequently asked questions

    Update History

    FAQ on the current legal status of NMN added, where we break down the convoluted path from legal dietary supplement to being pulled from the shelves of most retailers in the U.S.

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