Coenzyme central to cellular energy and DNA repair — supplemented to push longevity pathways.
Typical dose range: 100–500 mg (SubQ) / 250–750 mg (IV)
Frequency: Daily or weekly
Route: Subcutaneous or IV
Half-life: Short
Evidence level: Mixed clinical
SubQ injections sting — many users prefer NMN or NR oral precursors instead.