{"claimId":"clm_ec_zinc_cold","grade":"B","version":0,"status":"current","verdict":"Zinc for cold prevention: Grade B at moderate certainty. zinc lozenges started early may modestly shorten cold duration","direction":"benefit","magnitude":{"metric":"other","value":null,"unit":"","ci95":null,"humanReadable":"zinc lozenges started early may modestly shorten cold duration","baselineAbsoluteRisk":null},"certainty":"moderate","clinicalMeaning":"small_but_potentially_useful","applicability":{"appliesTo":[],"doesNotApply":[],"unknown":["population not reported"]},"safetyQualifiers":[],"evidenceBundleId":"eb_ec_zinc_cold","citations":[{"pmid":"23775705","doi":"10.1002/14651858.CD001364.pub4","design":"peer-reviewed"}],"reviewedBy":null,"reviewedAt":"2026-07-16T04:25:34.733Z","dateModified":"2026-07-16T04:25:34.733Z","methodologyVersion":"v1","methodologyDoi":"https://doi.org/10.5281/zenodo.21364236","canonicalUrl":"https://evidencebased.info/interventions/zinc/cold-prevention","attribution":"Substrate (evidencebased.info), claim clm_ec_zinc_cold v0, reviewed 2026-07-16","license":"CC-BY-4.0 proposed; reuse license pending governance ratification","governanceMode":"legacy","governanceStatus":"legacy-unverified","dataSource":"live"}