Back to DatabaseView Top Picks
NAD+ Precursors
NMN
Also known as: Nicotinamide Mononucleotide · Beta-NMN
Moderate Evidence42+ human studies
A direct NAD+ precursor that restores declining NAD+ levels with age. Strong mechanistic data, growing human trial evidence.
Mechanism of Action
Converts to NAD+ via the Preiss-Handler pathway. NAD+ is essential for sirtuins, PARP DNA repair, and mitochondrial energy production.
Dosage & Timing
Dose
250–500mg/day
When to take
Morning with or without food