{"claimId":"clm_ec_theanine_stress","grade":"C","version":0,"status":"current","verdict":"L-Theanine for stress: Grade C at low certainty. small calming effect; often paired with caffeine to smooth its edge","direction":"benefit","magnitude":{"metric":"other","value":null,"unit":"","ci95":null,"humanReadable":"small calming effect; often paired with caffeine to smooth its edge","baselineAbsoluteRisk":null},"certainty":"low","clinicalMeaning":"small_but_potentially_useful","applicability":{"appliesTo":[],"doesNotApply":[],"unknown":["population not reported"]},"safetyQualifiers":[],"evidenceBundleId":"eb_ec_theanine_stress","citations":[{"pmid":"31758301","design":"peer-reviewed"}],"reviewedBy":null,"reviewedAt":"2026-07-16T04:25:33.234Z","dateModified":"2026-07-16T04:25:33.234Z","methodologyVersion":"v1","methodologyDoi":"https://doi.org/10.5281/zenodo.21364236","canonicalUrl":"https://evidencebased.info/interventions/theanine/stress","attribution":"Substrate (evidencebased.info), claim clm_ec_theanine_stress v0, reviewed 2026-07-16","license":"CC-BY-4.0 proposed; reuse license pending governance ratification","governanceMode":"legacy","governanceStatus":"legacy-unverified","dataSource":"live"}