Dr Marlyn here, you should be able to measure it.
The thing that has always frustrated me about supplements is that you can so rarely tell if they are doing anything. You take them, you hope, and you have no real way to know.
That's what is different here, and part of why I am comfortable having my name on it.
The routine is built around raising NAD+, which we can measure in your blood. Test NAD+ before you start, take DoNotAge® for 6 months, then test again. If it has not risen, you get a full refund.
If you would like to see how that works, take a look.
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