Rhonda Patrick: I Raided a CEO’s Supplement Cabinet and Found One Dangerous Mistake

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Peer-Reviewed Research
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Rhonda Patrick

Video Summary · April 13, 2026

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Key Takeaways

  • Avoid regular glutathione supplements – They won’t enter cells. Use liposomal glutathione instead for proper absorption.
  • Take vitamin D3 (not D2) – D3 is far more effective. Vegetarians/vegans should get D3 from lichen sources.
  • Consider a daily multivitamin – Studies show multivitamins (like Centrum Silver) can slow brain and biological aging significantly over time.
  • Men should avoid iron supplements unless deficient – Excess iron causes oxidative damage. Premenopausal women may need iron due to menstruation.
  • Choose third-party tested supplements – The supplement industry is unregulated, so verify quality through Consumer Lab or other testing services.

Supplements & Protocols Mentioned

  • Liposomal glutathione (specific form/dosage not mentioned)
  • Vitamin D3 (preferred over D2; lichen-sourced for vegetarians)
  • Multivitamin (Centrum Silver used in studies; general recommendation for aging benefits)
  • Avoid iron supplements for most men

Notable Quotes

“The point is to avoid deficiency [with vitamin D3]. It’s not like a vitamin D3 supplement’s going to do something miraculous if you already have enough vitamin D.”

“Most men do not need to supplement with iron… iron can be very bad. It’s very reactive and causes oxidative stress easily.”

Bottom Line

Switch to liposomal glutathione, take vitamin D3, consider a quality multivitamin, and avoid iron supplements unless medically necessary – these simple changes can significantly impact longevity.

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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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