Given the poor bioavailability of oral NAD+ and its precursor vitamins through supplements (and why most wellness supplements have limited benefit), IV or subcutaneous routes are necessary to achieve the serum concentrations observed in the published research
It works like a dimmer
This creates a genuine question that generic advice can't answer
Oncogene 25:163948, PMID: 16550164 Coles BF, Morel F, Rauch C, Huber WW, Yang M, Teitel CH, Green B, Lang NP, Kadlubar FF (2001) Effect of polymorphism in the human glutathione S -transferase A1 promoter on hepatic GSTA1 and GSTA2 expression
Tirzepatide, the active ingredient in Zepbound, works best when injected on a consistent weekly schedule that allows the medication to reach stable levels in your bloodstream
However, conclusive evidence supporting these claims remains limited, and more extensive research is needed to substantiate these purported benefits comprehensively