Can Fiber Help Prevent Colon Cancer? | Peter Attia

Well SupportedIn a healthy gut primarily consuming carbohydrates, approximately 70% of energy for colon lining cells comes from butyrate derived from fiber fermentation.

Well SupportedFiber consumption may reduce colon cancer risk by improving colonic barrier integrity and reducing exposure to carcinogenic compounds.

Partially SupportedA high-fiber diet is the most reliable way to support gut bacteria.

Partially SupportedViscous fibers like psyllium husk can bind to and reduce contact time of carcinogenic compounds with the colon.