Is Psychedelic Therapy Legal in Massachusetts?
Massachusetts has decriminalized personal use of at least one psychedelic, but supervised therapeutic use is not yet a regulated pathway.
Status by substance
State-level status for lawful supervised therapeutic use. Regardless of state law, classic psychedelics remain Schedule I federally. Last reviewed 2026-06.
Psilocybin
DecriminalizedQuestion 4 statewide legalization FAILED Nov 2024 (57-43). Municipal only — Somerville, Cambridge, Northampton, Easthampton, Amherst, Salem, Provincetown, Medford deprioritized. No state supply.
Official source (2026-01) ↗MDMA
IllegalSchedule I; statewide Question 4 (would have included MDMA) failed 2024. No therapeutic pathway.
Official source (2024-11) ↗Ibogaine
DecriminalizedSchedule I; some municipal entheogen resolutions (e.g. Somerville) cover ibogaine/entheogenic plants. No state supply or therapeutic pathway.
Official source (2026-01) ↗DMT / Ayahuasca
DecriminalizedDMT Schedule I; municipal entheogenic-plant resolutions in several cities; no state supply.
Official source (2026-01) ↗Mescaline / Peyote
DecriminalizedMescaline (non-peyote) Schedule I; municipal entheogenic-plant resolutions; no state supply.
Official source (2026-01) ↗Ketamine
Legal / regulated accessTracked separately — a prescription medicine, excluded from the blended status.
Prescription / off-label therapeutic use (FDA-approved anesthetic; Spravato).
Official source (2019-03) ↗Educational information, not legal advice. Laws change — confirm with the official sources above before making decisions.
Looking for legal psychedelic-assisted therapy?
ATMA CENA provides supervised, legal psychedelic-assisted therapy in Canada and trains practitioners across North America.