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Policy Tracker · Psilocybin · United States

Is psilocybin legal in Missouri?

No — psilocybin is illegal in Missouri.

Recorded status

Prohibited

Prohibited: psychedelics remain illegal under Missouri law. Both tracked bills (HB 1717 and HB 2817) died when the 2026 session ended.

Psilocybin remains a Schedule I substance under US federal law regardless of state rules.

Source

PoliPsy legislation tracker · polipsy.dev

Full details for subscribers

Quoted law sections, penalties and thresholds, bill progress, year-by-year timeline and clinical trials for Missouri are free with a PSA newsletter subscription.

See full Missouri details Psilocybin map