{"claimId":"clm_ec_b7-mg-cognition","grade":"C","version":0,"status":"current","verdict":"Magnesium for cognition: Grade C at low certainty. Systematic review of magnesium and cognitive health in adults: the evidence linking magnesium status or intake to cognition is limited and inconsistent, drawn largely from observational data, and the authors call for better-designed studies with repeated magnesium biomarkers before any conclusion. No demonstrated cognitive benefit from supplementation.","direction":"benefit","magnitude":{"metric":"other","value":null,"unit":"","ci95":null,"humanReadable":"Systematic review of magnesium and cognitive health in adults: the evidence linking magnesium status or intake to cognition is limited and inconsistent, drawn largely from observational data, and the authors call for better-designed studies with repeated magnesium biomarkers before any conclusion. No demonstrated cognitive benefit from supplementation.","baselineAbsoluteRisk":null},"certainty":"low","clinicalMeaning":"small_but_potentially_useful","applicability":{"appliesTo":["adults"],"doesNotApply":[],"unknown":[]},"safetyQualifiers":["minor_with_ssri"],"evidenceBundleId":"eb_ec_b7-mg-cognition","citations":[{"pmid":"39009081","design":"peer-reviewed"}],"reviewedBy":null,"reviewedAt":"2026-07-16T16:23:35.192Z","dateModified":"2026-07-16T16:23:35.192Z","methodologyVersion":"v1","methodologyDoi":"https://doi.org/10.5281/zenodo.21364236","canonicalUrl":"https://evidencebased.info/interventions/magnesium/cognition","attribution":"Substrate (evidencebased.info), claim clm_ec_b7-mg-cognition v0, reviewed 2026-07-16","license":"CC-BY-4.0 proposed; reuse license pending governance ratification","governanceMode":"legacy","governanceStatus":"legacy-unverified","dataSource":"live"}