William John Bulsiewicz
Person
Dr. Will Bulsiewicz is a board-certified gastroenterologist and New York Times bestselling author of "Fiber Fueled." He is a leading expert on gut health and the microbiome, advocating for plant-based nutrition and the importance of dietary fiber.
2 episodes featuring William John Bulsiewicz
The Diary Of A CEO with Steven Bartlett
Hidden constipation and crop chemicals often mimic gluten intolerance
Misdiagnosing gut issues leads to unnecessary dietary restrictions while leaving the true root causes of digestive distress unaddressed.
Jul 10, 2026 · 21 min
The Diary Of A CEO with Steven Bartlett
Gastroenterologist Will Bulsiewicz outlines how to repair a damaged gut barrier
Understanding the mechanics of gut permeability is essential for preventing chronic inflammation and protecting long-term systemic health.
Jan 1, 2026 · 2h 14m