Episode
NAD and Aging: Did We Get the Story Wrong
- Podcast
- The ReProgram
- Published
- May 18, 2026
- Duration seconds
- 1332
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Summary
ReProgram Episode 14 The NAD Myth? What the New Human Data Really Say 🧠Episode Overview In this episode of The ReProgram, Dr. George Murphy takes a critical but balanced look at one of the most popular ideas in the longevity space:That NAD levels decline with age — and that boosting NAD may help slow aging.But new human data challenge one of the most common assumptions behind the NAD story:Whole-blood NAD levels may not decline with age.This episode explores what that finding means — and what it does not mean.The central takeaway:NAD is not dead.But the simplistic NAD longevity story needs a reset. 🔑 Keywords NAD, NAD+, aging, longevity, NR, NMN, NAD boosters, nicotinamide riboside, nicotinamide mononucleotide, mitochondrial function, DNA repair, sirtuins, PARPs, CD38, cellular metabolism, biological aging, healthspan, resilience, recovery capacity, inflammation, stress response, biomarker, whole-blood NAD, NAD decline, NAD supplements, NAD IV therapy, metabolism, cellular stress, anti-aging supplements, longevity science, The ReProgram Podcast 🧠Takeaways • NAD is essential biology, but it should not be treated as a magic anti-aging molecule. • New human data challenge the idea that whole-blood NAD levels universally decline with age. • Raising blood NAD is not the same thing as proving that aging has slowed. • NAD biology is likely tissue-specific, disease-specific, stress-specific, and context-dependent. • Blood NAD is not necessarily a reliable window into NAD metabolism in muscle, brain, liver, immune cells, or other tissues. • NAD boosters like NR and NMN can raise NAD-related metabolites, but that does not automatically mean they improve healthspan or longevity. • The most honest current framing is that NAD boosters are biologically plausible, biomarker-active,…