The Dr. Josh Axe Show
The Dr. Josh Axe Show
Dr. Josh Axe
Harvard Doctor reveals #1 Cause of Aging You've Never Heard Of | Dr. Andrew Salzman
1 hour 3 minutes Posted Jun 25, 2026 at 7:00 am.
— Why Aging Is A Defect In Repair, Not Wear And Tear
— Meet Dr. Andrew Salzman: Harvard ICU Doctor & NAD Pioneer
— The 1991 Discovery That Changed Leaky Gut Research
— Why Doctors Dismissed Leaky Gut For Years
— DNA Damage, PARP Activation & The NAD Collapse
— How PARP Inhibitors Stopped Leaky Gut In The Lab
— What NAD Actually Does Inside Your Cells
— Best Food Sources For NAD & Creatine Support
— How Chronic Inflammation Activates PARP
— CD38: The Enzyme Draining Your NAD With Age
— NR vs NMN vs Niacin: Which NAD Supplement Makes Sense?
— Why NAD Is The “Centerpiece Of Biology”
— The Mouse Study Linking CD38, NAD & Ovarian Aging
— Why The Brain Is So Vulnerable To Low Cellular Energy
— Mitochondria As Power Stations: Why ATP Still Needs Delivery
— Butyrate, Brown Rice & Foods That Help Seal The Gut
— Flagella, LPS & The Hidden Drivers Of Gut Inflammation
— Dr. Salzman’s Top Longevity Priorities
— The New Definition Of Aging: Failed Repair
— Why Older Bodies Can Be “Operating On Fumes”
— NAD, Oxygen & Tissue Repair After Major Injury
— Creatine Dosage, Daily Loss & Why Supplementing May Matter
— Where To Find Dr. Salzman’s Research
— Final Thoughts: NAD, Creatine & Cellular Longevity
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Show notes
What if aging isn’t simply your body “wearing out”… but your body losing the ability to repair itself? In this episode, Dr. Andrew Salzman joins Dr. Josh Axe to explain why chronic inflammation, leaky gut, and depleted NAD may quietly drain the very energy your cells need to heal, think, move, and survive.
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DISCLAIMER
This content is strictly the opinion of Dr. Josh Axe and is for informational and educational purposes only. It is not intended to provide medical advice or to take the place of medical advice or treatment from a personal physician. All viewers of this content are advised to consult their doctors or qualified health professionals regarding specific health questions. Neither Dr. Axe nor the publisher of this content takes responsibility for possible health consequences of any person or persons reading or following the information in this educational content. All viewers of this content, especially those taking prescription or over-the-counter medications, should consult their physicians before beginning any nutrition, supplement or lifestyle program.
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