Dr. Charles Mok explains why oral NAD or NMN supplements work better than IV NAD injections. IV NAD requires slow administration, lacks evidence of superiority, and carries significant side effect risks. Blood tests for NAD levels exist but aren't widely available yet.
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There is an NAD blood test that you could do to see where your level's at. They're not widely available. You can talk to your doctor about finding somebody to do an NAD blood test to see if you're low. If it's low, then you can talk to your doctor about supplementing NAD in some form, either NAD supplement or NMN supplementation. As far as the NAD injections, I'm not currently recommending that to our patients because there's no evidence that works better than oral supplementation. And it is very much pain to do because you have to put an IV in to run it very, very slowly because it has significant side effects. If it's run too fast, it.