ByDr. Brennan Commerford, D.C.·Last reviewed: July 2026
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Nicotinamide Riboside Chloride (NR): verification pending

We’re confirming the science for this compound before we publish a form ranking. Our team reviews every ranked page against peer-reviewed absorption data — this one is still under review, so we are not showing a score yet.

Check back soon. Rankings are reviewed by Dr. Brennan Commerford, D.C.

References

  1. A randomized, placebo-controlled trial reported that nicotinamide riboside supplementation supports normal cellular NAD+ levels in healthy adults. PubMed
  2. A small randomized crossover trial found that nicotinamide riboside supplementation may support the muscle NAD+ metabolome in older adults, though this is an early finding that needs further study. PubMed
  3. Oral nicotinamide riboside raised blood NAD+ in a dose-dependent manner in humans. PubMed

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.