Dr. Karan Rajan

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MD · Gut Health & Microbiome Expert and Chief of Science, Throne

Dr. Karan Rajan is a medical doctor, Chief of Science at Throne Science, and Sunday Times bestselling author of This Book May Save Your Life. Followed by more than 11 million people worldwide, he is one of the world's most recognized medical voices on gut health, making complex science accessible through evidence-led myth-busting and sharp, practical insight.

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At Throne Science, he sits at the forefront of gut health research and innovation, and as founder of LOAM Science he is advancing the field through microbiome innovation. On his podcasts, Dr Karan and Dr Karan Explores, he sits down with the world's foremost experts in science and medicine to cut through the noise of modern health advice — from the gut microbiome to the everyday choices that shape how we live.

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