{"compound":{"slug":"l-theanine","name":"L-theanine","aliases":["theanine"],"class":"nootropic","one_liner":"An amino acid found in tea and used in supplements focused on calm attention and sleep.","status_note":"Sold in food supplements in many markets. Formulation and local rules vary."},"summary":"No structured L-theanine reports are published yet. New reports are reviewed before they enter the aggregate.","aggregate":{"total":0,"outcomes":{"positive":{"count":0,"pct":0},"mixed":{"count":0,"pct":0},"negative":{"count":0,"pct":0},"no_effect":{"count":0,"pct":0}},"topEffects":[],"topSideEffects":[],"medianOnsetDays":null,"doses":[],"wouldRepeat":{"yes":0,"answered":0,"pct":null},"sources":{"reddit":0,"forum":0,"youtube":0,"user":0},"unmappedEffects":[]},"methodology":"Source-linked public reports are normalised into structured fields. Percentages use the full published report count shown. Anecdotal evidence is not clinical data.","canonical_url":"https://anecdotal.health/compound/l-theanine","generated_at":"2026-08-23T02:30:13.733Z"}