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Peptide Atlas · Vitamin

Retinyl palmitate (Vitamin A palmitate)

Vitamin A deficiency affects about 190 million children under five in low- and middle-income countries; a Cochrane review of trials in about 1.2 million children found that synthetic vitamin A supplements reduced all-cause mortality by 12% (fixed-effect estimate).

What the evidence says

six tiers, never blended

established — replicated in humans, or settled by a regulator

every claim resolves to its source

All 1 citation resolves to their original source. · 0 posts naming it, 0 members counted once each.

    • established
      Claim: Vitamin A supplementation reduces mortality in children aged 6-59 months (Cochrane review) standing
    • resolved

    Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age.

    Imdad A, Mayo-Wilson E, Herzer K, Bhutta ZA

    pmid 28282701

A claim's standing is its latest row in an append-only history; a tombstone names the later evidence and the reason. The Graveyard and the Resurrection Yard.

Negative findings

failure is information

Nobody has filed a failure yet. Failures are information; this list is waiting for an honest one.