{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/kratom/wisconsin/","compound":{"slug":"kratom","name":"Kratom (Whole Leaf / Mitragynine)","same_as":"https://en.wikipedia.org/wiki/Mitragyna_speciosa"},"jurisdiction":{"code":"WI","name":"Wisconsin"},"as_of":"2026-10-18","answer":"As of October 18, 2026, Kratom (Whole Leaf / Mitragynine) is illegal to sell at retail in Wisconsin. Schedule I -- leaf contains named mitragynine. Listed as schedule 1, effective 2014-04-25. Controlling source: Wis. Stat. 961.14(7)(mk),(mL) - Schedule I (mitragynine + 7-hydroxymitragynine).","forms":[{"form":"all","label":"All forms","status":"illegal","state_status":null,"federal_overlay":false,"headline":"Schedule I -- leaf contains named mitragynine","rule_type":"permanent","tier":"schedule_i","schedule_class":"schedule_1","limit":null,"effective_date":"2014-04-25","verified_at":"2026-10-18","confidence":"confirmed","verbatim_excerpt":"(7) ... Any material, compound, mixture or preparation which contains any quantity of ... (mk) Mitragynine. (Wis. Stat. 961.14(7))","excerpt_source_url":"https://docs.legis.wisconsin.gov/statutes/statutes/961/II/14/7/mL","citations":[{"title":"Wis. Stat. 961.14(7)(mk),(mL) - Schedule I (mitragynine + 7-hydroxymitragynine)","url":"https://docs.legis.wisconsin.gov/statutes/statutes/961/II/14/7/mL","pinpoint":null,"publisher":"Wisconsin Legislature","type":"gov","primary":true,"official":true},{"title":"2013 Wisconsin Act 351 (2013 Senate Bill 325), SECTIONS 30 and 31","url":"https://docs.legis.wisconsin.gov/2013/related/acts/351.pdf","pinpoint":null,"publisher":"Wisconsin Legislature / Legislative Reference Bureau","type":"statute","primary":true,"official":true}],"history":[{"date":"2026-07-25","field":"effective_date","from":null,"to":"2014-04-25"}]}],"neighbors":[{"code":"IL","status":"restricted"},{"code":"IA","status":"legal"},{"code":"MI","status":"legal"},{"code":"MN","status":"restricted"}],"laws":[{"citation":"Wis. Stat. 961.14(7) + 961.01(12g)","title":"Wisconsin Schedule I STIMULANTS chapeau + entries; statutory \"isomer\" = optical only for subsec (7)","official_url":"https://docs.legis.wisconsin.gov/statutes/statutes/961.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-06","text_hash":"40bc8ab02d552a10da091207660a5dc0bb034595ae6941e77091f435d2aff2d3"}]}