NAD, Peptides, Cold Plunges & Saunas: What Actually Works?

Are the latest longevity hacks actually worth it, or are some of them just hype? From NAD+ and peptides to cold plunges, saunas, molecular hydrogen, and antioxidant supplements, the wellness industry is full of trends promising better health and a longer life. But what does the science actually say? In this episode of the Authentic Longevity Podcast, Dr. Mark and Dr. Michele Sherwood break down some of today’s most talked-about biohacks. They discuss which may offer real benefits, which could be overhyped, and which expensive treatments they wouldn’t spend their money on. They also explore practical ways to support longevity, from aerobic exercise and monitoring your blood pressure to nurturing relationships and embracing the often-overlooked role of forgiveness. IN THIS EPISODE: 00:00 Biohacks: What Works and What Is Hype? 00:52 NAD+: Is It Worth the Hype? IV vs. Oral Precursors (NMN, NR) 04:54 Cold Plunges: Inflammation, Resilience and Who Benefits 08:39 Sauna Comparison: Infrared vs. Dry Heat vs. Steam 13:01 Molecular Hydrogen: Mitochondria and Free Radicals Explained 17:48 Antioxidant Supplements: Helpful or Overhyped? 20:06 Ketones for Fasting, Brain Health and Metabolic Resilience 25:19 Nitric Oxide: Vascular Health and Blood Pressure 28:04 Peptides: Muscle, Tissue Repair and the Hype 30:28 Rapid Fire: Overrated Biohacks and What to Skip 31:50 The Longevity Habit Almost Everyone Ignores 33:06 Closing Thoughts Longevity isn’t about chasing every new trend. It’s about understanding the evidence, questioning the hype, and making informed decisions about your health. 🎙️ Watch the full episode and subscribe to the Authentic Longevity Podcast with Dr. Mark and Dr. Michele Sherwood for more conversations about biohacking, healthy aging, and the science of living stronger and healthier for longer. Want to take the next step toward better health? Join our Optimal Health Webinar to learn more about a personalized approach to improving your health and longevity. 👉 Register here: https://my.demio.com/ref/oL5aEdbI1UzL... Disclaimer: This episode is for educational purposes only and reflects the opinions and experience of the hosts. It is not medical advice. Consult your healthcare provider before making changes to your health routine. #Biohacking #Longevity #AuthenticLongevity #HealthyAging