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Photo of site author, Shelly Albaum

Shelly Albaum

Editor, Science of NAD

Important Disclosures

1. This is my personal website

All opinions are my own. Nobody writes here but me.

2. Supplements Are Not Medicines

Health Supplements like nicotinamide riboside are not intended to cure or treat any disease, condition, or illness.

3. No Medical Advice

I am a lawyer and a journalist, not a doctor, and I offer no medical advice. But I do follow the science, and I can bring to your attention

some interesting studies. You can read more about me here. And check with your physician -- your physician can look at this research, too.

4. Commercial Affiliations

I am a ChromaDex shareholder, and a marketing affiliate for Amazon and Rakuten. As a result, I will sometimes mention or recommend products that I endorse, like Tru Niagen, which I take every day. I may earn a small commission from qualifying purchases if you were referred directly from this site and completed a purchase. [Thank you!] You can read more about our advertising, privacy, and data collection policies here

Should I Switch from NMN to NR?

NR does the same as NMN, and it does it the same way, but more efficiently...

Drawing of NMN and NR molecules with an arrow to switch from NMN to NR

NMN does its magic mostly or entirely by delivering NR to cells. The science is clear that NMN cannot directly enter most (or perhaps any) cells, so the NMN must first be degraded to NR or NAM outside the cells before it can enter the cells and be built back up into NAD.

Happily for NMN users, there are circulating enzymes that do that. But you don't have to depend on those enzymes, because you can deliver the NR directly. Not only is that more efficient, it is often less expensive, and I have seen no science indicating that it is less effective.

If the FDA enforces its ban on the sale of NMN in the US, then NMN users will have to switch. But the fact that the switch leaves them no worse off because NR is available, means that the harm from the ban falls mainly on NMN suppliers, not consumers, which is one reason of several reasons why the FDA is likely to enforce the ban.

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