priors.science/reviews/dietary-fibre

Dietary Fibre

The current evidence on 10 claims, ordered from most established to most contested. Each score is the panel’s evidence certainty — how firmly the literature supports the claim as stated.

10claims tracked
154primary papers reviewed
5 Jul 2026latest evidence review
Weeklyre-scored against new papers
1 Established · 5 Likely · 4 Uncertain · 0 Doubtful  |  four-reviewer panel · PICO Framework
SignalClaimStandingEvidence certaintyCorpus
StableSoluble fibre lowers LDL cholesterolCardiometabolicEstablished85%20
StableFibre improves constipationGastrointestinalLikely73%20
StableFibre lowers type 2 diabetes riskCardiometabolicLikely69%20
StableFibre lowers cardiovascular disease riskCardiometabolicLikely68%20
StableFermentable fibre boosts short-chain fatty acidsGastrointestinalLikely68%20
StableFibre lowers colorectal cancer riskGastrointestinalLikely65%20
StableFibre aids satiety and weight lossSystemicUncertain58%20
StableFibre lowers C-reactive proteinSystemicUncertain57%20
StableFibre lowers blood pressureCardiometabolicUncertain55%20
StableFibre lowers all-cause mortalitySystemicUncertain53%20
Standing — what the evidence certainty means
Established≥ 85%Strong, consistent evidence. Unlikely to change.
Likely65–84%Well supported, with some gaps or indirect evidence.
Uncertain40–64%Mixed or limited evidence. Genuinely open.
Doubtful15–39%Little support; the weight of evidence leans against it.
Refuted< 15%The evidence contradicts it — confidently false as stated.
Recent signal
strengthenedNew evidence raised the certainty since the last review.
weakenedNew evidence lowered the certainty since the last review.
newA claim added to the review recently.
StableNo recent change to the standing.
Standing, evidence certainty and corpus are always shown. The study behind each move, why it moved, and the sceptic’s challenge are delivered to subscribers.
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