💬 “ We already know the biggest levers. Nutrition, sleep, movement, connection, sunlight—all of those things we've known about for decades and they're not sexy, but they work. Even novel gadgets are just an add-on to these big buckets." ~ Dr. Karan Rajan

➡ In this episode, host Tim Gray sits down with NHS surgeon and social media phenomenon Dr. Karan Rajan to navigate the complex world where mainstream medicine meets online wellness culture. Dr. Karan shares his long history of making educational content and his mission to provide nuanced, evidence-based knowledge in a digestible format. Together, they dive deep into the tension between established medical practice and the biohacking movement, exploring how to remain grounded in science while staying open to innovation. Listeners will come away with a refreshing, balanced perspective on health optimization and the tools to separate science from fiction.

💡 Highlights

(0:00) Intro

(1:09) Welcome to Dr. Rajan

(1:12) Why an NHS Surgeon Started Making TikToks

(6:46) Why a Degree Doesn't Mean Someone is Always Right

(11:07) Bridging Mainstream Medicine and the Wellness World

(16:48) The "Big Levers" of Health vs. The Extra 1% from Biohacking

(20:47) The Dangers of Over-Supplementation & Protecting Your Liver

(26:48) Dr. Karan Reveals the Supplements He Personally Takes

(33:04) Mouth Taping: An Updated, Nuanced Stance

(44:06) A 3-Phase Plan to Support Your Gut Through Antibiotics

(52:44) Fiber vs. Fibers: Why Diversity is the Key to Gut Health

(56:24) The Debate on Blue-Blocking Glasses

(59:59) An Honest Take on Hydrogen Water

(1:03:51) Rapid Fire: Harmful Trends, Fixing the NHS, and Biggest Health Wins

Follow Dr. Karan Rajan for more evidence-based health education:

Instagram: https://www.instagram.com/drkaranrajan/ 

TikTok: https://www.tiktok.com/@dr.karanr 

YouTube: https://www.youtube.com/@DrKaran/videos 

Massive thank you to OMNi-BiOTiC for sponsoring this episode!

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