priors.science/reviews/vitamin-d

Vitamin D

The current evidence on 16 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.

16claims tracked
229primary papers reviewed
5 Jul 2026latest evidence review
Weeklyre-scored against new papers
0 Established · 0 Likely · 11 Uncertain · 5 Doubtful  |  four-reviewer panel · PICO Framework
SignalClaimStandingEvidence certaintyCorpus
StableCancer mortalityCancerUncertain51%20
StableHigh-dose vitamin D and fallsFallsUncertain49%20
StableVitamin D plus calcium and hip fractureBoneUncertain47%20
StableAll-cause mortalityMortalityUncertain47%20
StablePre-eclampsiaPregnancyUncertain46%20
StableFalls in older adultsFallsUncertain45%20
StableAcute respiratory infectionRespiratoryUncertain45%20
StableType 2 diabetes preventionCardiometabolicUncertain44%20
StableAsthma exacerbationsRespiratoryUncertain44%20
StableMortality in deficient adultsMortalityUncertain43%20
StableSmall for gestational agePregnancyUncertain43%20
StableCOVID-19 outcomesRespiratoryDoubtful34%20
StableCancer incidenceCancerDoubtful30%20
StableBone mineral density in adultsBoneDoubtful29%20
StableFracture risk in general adultsBoneDoubtful24%20
StableMajor cardiovascular eventsCardiometabolicDoubtful23%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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