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Eberhardt 2014)
NMN is an NAD precursor that your body converts to NAD, but there are clinically important differences between NMN supplementation and direct IV NAD+ infusion, including absorption, conversion efficiency, and the blood levels achievable with each
And it makes it very hard to to apply a blanket rule - some people may manage well with alcohol and injections
Indeed, after a decade or so, those who had been taking high-dose B6 supplements had about a 40 percent higher hip fracture risk, but not those taking B12
If needed, B12 can be replaced with supplements or injections, under medical supervision