Dr. Peter Attia: Supplements for Longevity & Their Efficacy

5570.187 - 5596.86 Dr. Peter Attia

So again, you might have a slight dose issue, but at the end of the day, you're giving NR. NR is freely taken up into cells. It turns into NAD. So this is all a big sort of shell game of how do you get NAD up. And again, I think we've established and we can agree that there is an increase in NAD, at least in the blood and probably in the liver, when you take exogenous NAD or a precursor.