food · Tracked item
Insoluble fiber
Every recorded take from the experts Cited tracks — each with the exact quote, source, and timestamp.
▼ Broad caution
2 recommendations across 2 experts · 2 episodes
1 endorse
0 nuanced
1 avoid
Who's on the record
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Attia emphasizes adequate insoluble fiber (vegetables) as important for colorectal cancer prevention — likely more relevant than restricting red meat.
“much lower in insoluble fiber, which plays a very important role in the prevention of colorectal cancer
TP▶ 1:30:10Certaintyexplicitrecommendation -
Avoid insoluble fiber (especially from grain hulls like wheat, barley, rye); it irritates the gut lining like 'razor blades' and is not digested by good bacteria.
“insoluble fiber as swallowing razor blades or nails
TD▶ 13:20Certaintyexplicitstrong warning