Drkaranrajan

Dr. Karan Rajan is a qualified NHS surgeon based in the United Kingdom, which means his health content is grounded in real clinical experience rather than general wellness advice. He built his social media following while continuing to practice surgery, and that dual identity — working doctor turned educator — is central to why his audience trusts him over the typical wellness creator.

Loam Science is a nutrition brand founded by Dr. Karan Rajan built around the idea of 'invisible fiber' — fiber that can be added to everyday foods without noticeably changing their taste or texture. The concept addresses a core problem he talks about constantly in his content: most people fall far short of their daily fiber needs, and Loam Science is his attempt to make closing that gap as frictionless as possible.

The Dr. Karan Explores podcast is hosted by Dr. Karan Rajan and extends his evidence-based, myth-busting approach into longer-form conversations about health, the body, and science. It gives him room to go deeper on topics — gut health, nutrition, medical misinformation — that he can only scratch the surface of in a short social media clip.

Dr. Karan Rajan built his following by debunking widespread health myths and explaining how the body actually works in short, direct videos — cutting through the pseudoscience that dominates wellness content online. His credibility as a practicing NHS surgeon gave his explainers an authority that resonated with audiences who had grown skeptical of influencers with no clinical background.

As a surgeon with a focus on gut health, Dr. Karan Rajan has first-hand clinical insight into the consequences of chronically low fiber intake — from digestive issues to longer-term disease risk. His fiber content, which spans food recommendations, healthy dessert ideas, and his own Loam Science brand, reflects his conviction that fiber is one of the highest-impact yet most overlooked dietary changes most people can make.

Dr. Karan Rajan has continued working as an NHS surgeon in the UK alongside his social media career, and he has been open about balancing clinical practice with content creation. He frames his online health education as an extension of the patient communication he does in his day-to-day medical work, rather than a replacement for it.

Dr. Karan Rajan is British and based in the United Kingdom, though he is of South Asian heritage. That background, combined with his English-language medical content, has helped him build a genuinely international audience spanning the US, the UK, India, and beyond.

Dr. Karan Rajan's content covers both — his medical myth-busting posts sit alongside practical fiber-rich food ideas and healthy dessert recipes, categories he leans into heavily on Instagram. This food-focused side of his output connects directly to his Loam Science brand and reinforces his core message that eating for gut health doesn't have to feel like a chore.

The largest share of Dr. Karan Rajan's Instagram audience is based in the United States, with the United Kingdom — his home country — coming in second. His universal health topics and English-language accessibility have given him a genuinely global reach, with meaningful audiences in India, Canada, and elsewhere.

Dr. Karan Rajan is active across Instagram, YouTube, and podcast platforms through the Dr. Karan Explores show, with Instagram being where he has amassed an audience of well over two million followers. He also built a significant early following through short-form video on TikTok, which helped establish the myth-busting medical content style he's now known for across all his channels.