priors.science/reviews/intermittent-fasting-time-restricted-eating

Intermittent Fasting and Time Restricted Eating

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
83primary papers reviewed
5 Jul 2026latest evidence review
Weeklyre-scored against new papers
0 Established · 4 Likely · 5 Uncertain · 1 Doubtful  |  four-reviewer panel · PICO Framework
SignalClaimStandingEvidence certaintyCorpus
StableTime-restricted eating feasible with no serious adverse eventsSafLikely82%15
StableTime-restricted eating not superior to calorie restrictionWLLikely78%12
StableIntermittent fasting lowers HbA1c in type 2 diabetesGLYLikely72%13
StableTime-restricted eating reduces weight vs unrestricted eatingWLLikely72%14
StableEarly time-restricted eating lowers blood pressureCMUncertain60%18
StableTime-restricted eating reduces visceral and total fatWLUncertain55%16
StableTime-restricted eating reduces lean muscle massWLUncertain50%16
StableEarly time-restricted eating improves insulin sensitivity without weight lossGLYUncertain47%14
StableTime-restricted eating improves blood lipid profileCMUncertain42%17
StableTime-restricted eating cuts weight independent of caloriesGLYDoubtful28%16
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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