• Chris Williamson - 

• Nasha Winters - 

• Mark Sisson - 

• Cate Shanahan - 

• Max Lugavere - 

• Davinia Taylor -

• Claudia Muehlenweg - 

• Torbjörn Ogeus -

💬 “ 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!

Most people think detox starts with your liver - but it actually begins in your gut. If your gut barrier is weak, your liver gets overloaded, fast. That’s why I’ve added OMNi-BiOTiC HETOX to my morning routine. It’s a probiotic powder delivering 15 billion bacteria from 9 scientifically tested strains, specifically selected to tighten your gut lining, balance cholesterol, and reduce the toxic load on your liver. The sachets are super easy to take, and it’s free from gluten, yeast, lactose and animal protein. Since taking it, I’ve noticed better digestion, clearer mental focus, and more consistent energy levels.

If you’re interested in detox, energy, or metabolic health, visit http://shop.omni-biotic.com and use code TIM for 20% off to give your gut the upgrade it deserves.

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⚡️Female-specific health protocols, groundbreaking therapies, & the secrets to thriving in your prime years.

💬 “ Women weren't required to be included in medical research until the early 1990s, which is about the same time I was born.” - Kayle Barnes

➡︎The Evolving Role of Women in Biohacking: Despite statistics indicating that the community is predominantly male, Tim and Kayla express optimism about the evolving status of women. 

➡︎Fertility and Environmental Toxins: A Growing Concern: With lifestyle and environmental factors accounting for up to 50% of infertility cases, this episode explores the critical biohacks and diagnostics women should consider to preserve their fertility. 

➡︎The Power of Creatine: Not Just for Men: Creatine, traditionally associated with muscle growth and performance in men, is hailed as a game-changer for women as well. 

➡︎Emerging Therapies and Controversial Treatments: Treatments like Hyperbaric Oxygen Therapy (HBOT), plasmapheresis, and emerging European innovations like in-use pheresis are gaining traction for their potential benefits.

➡︎ Kayla is the CEO and Co-Owner of LYV The Wellness Space, which is one of the most innovative precision medicine and biology upgrading clinics in the country. Kayla is also the creator and host of the Brain Biohacking Podcast and co-founder of the Health Optimization Fund. She completed coursework and is certified by the Amen Clinics for Brain Health and IIN for Integrative Nutrition.

💡 Highlights

(0:00) Intro

(1:09) The Role of Women in Biohacking

(2:15) Challenges and Evolution in Female Biohacking

(5:10) Hyperbaric Oxygen Therapy and Its Growth

(7:24) Publishing Personal Health Data

(14:12) Female-Specific Health Protocols

(23:09) Menopause and Hormone Replacement Therapy

(29:09) Fertility and Environmental Toxins

(37:23) Innovations in At-Home Health Testing

(38:44) Vaginal and Oral Microbiome Insights

(43:24) Brain Health and Stress Management

(49:55) Emerging Therapies and Controversial Treatments

(55:49) The Power of Creatine and Female Supplementation

(58:56) Top Biohacks and Longevity Tips

(1:06:19) Final Thoughts and Farewell

🔎 Visit: https://www.kaylabarnes.com and https://www.instagram.com/kaylabarnes/

A big thank you to Timeline Longevity for sponsoring this episode!

I’ve been taking Mitopure for years now - it’s the only clinically proven form of Urolithin A, a compound that recharges your cellular energy by restoring your mitochondria (those tiny powerhouses inside your cells). It’s been developed over 15 years with the Swiss Federal Institute of Technology, and it works. Since taking it, I’ve noticed stronger workouts, faster recovery, and sustained energy.

Now it comes in a clean, sugar-free gummy (naturally sweetened with stevia) - vegan, gluten-free and non-GMO. Same powerful science, even easier to take.

If you want to stay strong and energised now and as you age, head to https://timeline.com/TIMBIOHACKER, or use the code TIMBIOHACKER for 20% off your first order. Trust me, your cells will thank you!

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