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Nicotinamide Mononucleotide

Nicotinamide mononucleotide (NMN) is a nucleotide built from vitamin B3 and is a direct precursor of the coenzyme NAD.

LongevityWeight ManagementEnergyCognition

What it is studied for

The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.

Oxidative stressLongevityModerateBNo linked study
Cellular health & agingLongevityModerateBNo linked study
MetabolismWeight ManagementSmallCNo linked study
Energy CrashesEnergySmallCNo linked study
Mental EnergyCognitionSmallCNo linked study
Every rating with its studiesGrouped by health goal, with the publications behind each rating

Why people take it

Longevity25%
Cognition24.6%
Energy23.9%
Cardiovascular8.8%
Immune Support7%
Essential Health7%

SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.

Sources

  1. SuppCo · Nicotinamide Mononucleotide nutrient profile

Further reading

Illustration for Nicotinamide Mononucleotide.GuideNMN as a supplement: what the studies showNMN can raise NAD+ in the blood. What that means for metabolism, physical function and aging, and which questions about effects and safety remain open.Read the article