{"claimId":"clm_ec_b4-vitd-strength","version":1,"status":"current","verdict":"Vitamin D for strength: Grade C at low certainty. Systematic review and meta-analysis in community-dwelling older adults: vitamin D monotherapy showed limited and inconsistent effects on sarcopenia-related measures such as muscle strength; benefit, where present, was concentrated in those who were deficient.","direction":"benefit","magnitude":{"metric":"other","value":null,"unit":"","ci95":null,"humanReadable":"Systematic review and meta-analysis in community-dwelling older adults: vitamin D monotherapy showed limited and inconsistent effects on sarcopenia-related measures such as muscle strength; benefit, where present, was concentrated in those who were deficient.","baselineAbsoluteRisk":null},"certainty":"low","clinicalMeaning":"small_but_potentially_useful","applicability":{"appliesTo":["community-dwelling older adults"],"doesNotApply":["children"],"unknown":["pregnancy"]},"safetyQualifiers":[],"evidenceBundleId":"eb_ec_b4-vitd-strength","citations":[{"pmid":"35261183","design":"peer-reviewed"}],"reviewedBy":{"name":"Substrate editorial","credential":"Independent research collective"},"reviewedAt":"2026-07-16T15:19:22.705Z","dateModified":"2026-07-16T15:19:22.705Z","methodologyVersion":"v1","methodologyDoi":"https://doi.org/10.5281/zenodo.21364236","canonicalUrl":"https://evidencebased.info/interventions/vitamin-d/strength","attribution":"Substrate (evidencebased.info), claim clm_ec_b4-vitd-strength v1, reviewed 2026-07-16","license":"CC-BY-4.0 — attribution with link required"}