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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

Can NAD Prevent Gray Hair?

There are anecdotal reports, but no studies have looked at it...

Photo of woman with brown hair

A number of people have reported some of their gray hair returning to its original color after taking NR for months or years. I have even seen a "smoking gun" hair that was brown at the root, but gray at the tip. We have also seen control mice in anti-aging studies that seem to have less gray hair.

Interestingly, though, where the effect is reported, it appears to be only partial -- some hairs, but not all, return to their normal color.

This is, of course, a difficult study in humans, and no one appears to be attempting it, so we may not know for a long time.

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