Not all NAD+ supplements work the same way. Here's how the leading precursors compare:
NMN (Nicotinamide Mononucleotide)
Directly converted to NAD+ via the NMNAT enzyme in the Salvage Pathway. Clinically shown to effectively raise intracellular NAD+ levels, supporting mitochondrial function, energy production, and NAD+-dependent enzyme activity.
NR (Nicotinamide Riboside)
Converted to NAD+ through the Preiss-Handler Pathway. Supports cellular repair, DNA damage response, oxidative stress mitigation, and activation of sirtuins and PARPs for genomic stability.
Trigonelline
A methylated form of niacin that promotes NAD+ production through a distinct mechanism. Key advantages include exceptional blood stability, slow tissue release, non-flushing, resistance to stomach degradation, and direct NAD+ increase in muscle tissue.