The Business Men

’70% Of Your Immune System Lives In Your Gut. Look After It!’ - Dr Megan Rossi On Tuning In To Your Gut Health


Published: 19 May 2026 at 05:00 Europe/London

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Episode notes

Dr Megan Rossi aka The Gut Health Doctor, joins Ben this week for a fascinating deep dive into gut health, business, and building a trusted brand based on the science. 

From working in the NHS to becoming one of the most influential voices in global nutrition, Megan shares how she transformed scientific research into a thriving business, spanning bestselling books, a successful clinic, and a powerful digital platform. Ben digs into the realities behind turning expertise into enterprise, the challenges of scaling a purpose-led brand, and how Megan balances credibility with commercial success.

Along the way, they unpack the booming wellness industry, the myths we’re often sold about gut health, and why trust is the most valuable currency in both business and medicine.

It’s an honest, insightful conversation about entrepreneurship, resilience, and the power of knowing your niche, with plenty of practical takeaways (and a few gut-friendly tips) along the way.


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