Brad Stanfield: New Study Says I Was Wrong About NMN and NR?

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Peer-Reviewed Research
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Brad Stanfield

Video Summary · April 3, 2026

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Key Takeaways

  • Skip expensive NMN/NR supplements – Both convert to nicotinic acid (cheap vitamin B3) via gut bacteria before boosting NAD.
  • Consider basic nicotinic acid instead – Costs a few dollars/month and achieves the same NAD boost through the Preiss-Handler pathway.
  • Don’t expect functional benefits from NAD boosting – Clinical trials show no improvements in muscle, metabolism, or brain function despite elevated NAD levels.

Supplements & Protocols Mentioned

  • Nicotinamide riboside (NR) – 1,200mg/day (Bergen study)
  • Nicotinamide mononucleotide (NMN) – 1,200mg/day (Bergen study)
  • Nicotinic acid – Basic vitamin B3 alternative

Notable Quotes

“Despite positive pre-clinical findings, our results highlight a negligible effect of both NMN and NR.”

Bottom Line

Save money by using basic nicotinic acid instead of expensive NMN/NR supplements, as all pathways lead to the same NAD conversion with no proven health benefits.

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Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. The research summaries presented here are based on published studies and should not be used as a substitute for professional medical consultation. Always consult a qualified healthcare provider before making any changes to your health regimen.

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