

Karan Rajan
NHS surgeon and senior clinical lecturer who debunks gut-health myths and explains evidence around fiber, probiotics, diets, and microbiome-related topics as an expert guest on the show.
Top 10 podcasts with Karan Rajan
Ranked by the Snipd community

192 snips
Jan 27, 2024 • 1h 3min
#737 - Dr Karan Rajan - Debunking The Internet’s Biggest Health Myths
Dr. Karan Rajan, a surgeon and clinical lecturer at the University of Sunderland, takes on popular health myths with flair. He explains why you shouldn’t hold in your farts, the secret life of a surgeon, and the connection between gut health and mood. Discover the surprising facts about probiotics, the link between IBS and modern lifestyles, and the real implications of breaking your heart! With humor and insight, Karan reveals how understanding digestion can lead to better health.

101 snips
Nov 24, 2025 • 1h 8min
528: Why You’re Bloated – A Surgeon Debunks the Internet’s Worst Gut Health Myths | Karan Rajan, MD
Karan Rajan, MD, an NHS surgeon and senior clinical lecturer, tackles gut health myths with evidence-based insights. He discusses the real reasons behind bloating and the nuanced implications of fiber intake, recommending a gradual increase to avoid discomfort. Karan also clarifies misconceptions about carnivore diets and defends the benefits of oats. He highlights the importance of probiotics but warns against misuse. With a focus on diverse diets, he emphasizes the need for balance in nutrition, particularly against the backdrop of misleading online claims.

84 snips
Dec 26, 2024 • 49min
ZOE's best health tips of 2024 - Part 2
Professor Tim Spector, a gut health expert and co-founder of ZOE, shares insights on the health benefits of intermittent fasting and mushrooms. NHS surgeon Dr. Karan Rajan discusses the gut as our 'second brain,' explaining how it influences mood and cravings. Leading osteoporosis expert Professor Cyrus Cooper highlights vital prevention strategies for this often-overlooked condition. The conversation is packed with practical health tips, emphasizing ways to improve diet and well-being as the new year approaches.

61 snips
Aug 20, 2025 • 1h 14min
This Doctor Says Fiber Is The Closest Thing To A Nutritional Holy Grail with Dr. Karan
In this enlightening discussion, Dr. Karan Rajan, a doctor and social media health creator known for his engaging medical insights, highlights the often-overlooked importance of fiber in our diets. He unveils how boosting fiber intake can significantly enhance gut health, lower cholesterol, and even protect against chronic diseases like colon cancer. Dr. Karan shares personal anecdotes of his health transformation and offers practical tips for incorporating high-fiber foods into everyday meals, all while debunking common myths with his signature humor.

49 snips
Sep 26, 2024 • 1h 5min
Simple ways to improve gut health | Dr. Karan Rajan
Dr. Karan Rajan is an NHS surgeon and health communicator known for debunking medical myths. He dives into the intriguing concept of the gut as the body's 'second brain' and explores its significant role in mental health and cravings. Karan discusses common lifestyle factors that harm gut health, the rise in inflammatory bowel diseases, and the critical impact of antibiotics on gut microbiomes. He emphasizes the need for diverse plant-based diets and unveils why understanding IBS is a complex challenge for both patients and doctors.

47 snips
Sep 16, 2025 • 14min
Recap: Simple ways to improve gut health today | Dr. Karan Rajan
Dr. Karan Rajan, a medical doctor and science communicator, dives into the essential connection between gut health and overall well-being. He shares practical dietary tips, emphasizing fiber and colorful foods to support a healthy microbiome. Rajan debunks the myth that probiotics are the ultimate solution and advocates for fermented foods as a better alternative. He also discusses the discrepancies between scientific research and market products, helping listeners navigate the gut health hype effectively.

44 snips
Jul 9, 2025 • 26min
Protein v fibre
In this engaging discussion, Emma Beckett, a nutrition lecturer and author, teams up with Karan Rajan, a surgeon and social media creator, to tackle the protein obsession dominating modern diets. They delve into the often-neglected importance of fiber, warning that a fixation on protein can lead to nutritional imbalances. The duo shares insights on the health implications of high-protein diets, renewing the call for balanced nutrition. They also introduce the concept of 'fiber maxing' as a solution to enhance dietary fiber intake for better overall health.

15 snips
Nov 19, 2025 • 55min
Heal Your Gut, Improve Your Life: The Power of the Microbiome with Dr. Karan Rajan, NHS
Dr. Karan Rajan, an NHS surgeon and popular health content creator, shares his insights on gut health and the microbiome. He discusses how your microbiome affects everything from mood to immune function. Karan emphasizes the importance of fiber, listing top sources like beans and berries. They delve into the connection between traditional diets and longevity, how stress impacts gut health, and practical tips for improving digestion. Ultimately, Karan encourages nourishing existing gut bacteria to optimize wellness.

13 snips
Nov 27, 2025 • 1h 3min
Dr Karan Rajan - Gut Surgeon: STOP Probiotics (Heal Your Gut Like THIS Instead)
In this discussion, Dr. Karan Rajan, a gut surgeon and medical educator, unravels the complexities of the gut microbiome. He debunks common myths about fiber and explains how it serves as essential fuel for gut bacteria. Discover his strategies for incorporating fiber into your diet, the benefits of prebiotics over probiotics, and how fasting can rejuvenate gut health. Dr. Rajan also explores differences in male and female microbiomes and offers insights on nourishing your gut through traditional diets. Tune in for practical tips and science-backed advice!

11 snips
Oct 21, 2024 • 45min
Medical Misinformation
Dr. Karan Rajan, an NHS general surgeon and bestselling author, joins to tackle the pervasive issue of medical misinformation. He delves into the questionable efficacy of probiotic supplements versus natural sources, the complexities of balancing hormones, and the reality behind BMI as a health metric. Karan also critically examines the unregulated use of Ozempic and the necessity for accurate health information. He emphasizes the importance of making informed choices and optimizing wellness through lifestyle rather than relying solely on supplements.


