{"claimId":"clm_ec_b5-rhodiola-cognition","version":1,"status":"current","verdict":"Rhodiola for cognition: Grade C at low certainty. Review of Rhodiola rosea preparations: modest reductions in mental fatigue and small improvements in cognitive performance under stress in some trials. Studies are small and of low-to-moderate quality.","direction":"benefit","magnitude":{"metric":"other","value":null,"unit":"","ci95":null,"humanReadable":"Review of Rhodiola rosea preparations: modest reductions in mental fatigue and small improvements in cognitive performance under stress in some trials. Studies are small and of low-to-moderate quality.","baselineAbsoluteRisk":null},"certainty":"low","clinicalMeaning":"small_but_potentially_useful","applicability":{"appliesTo":["adults under stress or fatigue"],"doesNotApply":["children"],"unknown":["pregnancy"]},"safetyQualifiers":["uncertain_with_ssri"],"evidenceBundleId":"eb_ec_b5-rhodiola-cognition","citations":[{"pmid":"35745023","design":"peer-reviewed"}],"reviewedBy":{"name":"Substrate editorial","credential":"Independent research collective"},"reviewedAt":"2026-07-16T15:25:06.999Z","dateModified":"2026-07-16T15:25:06.999Z","methodologyVersion":"v1","methodologyDoi":"https://doi.org/10.5281/zenodo.21364236","canonicalUrl":"https://evidencebased.info/interventions/rhodiola/cognition","attribution":"Substrate (evidencebased.info), claim clm_ec_b5-rhodiola-cognition v1, reviewed 2026-07-16","license":"CC-BY-4.0 — attribution with link required"}