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Is Psychedelic Therapy Legal in the United States?

Mixed (varies by region)

Federal Schedule I base; real variation at the state level. Click to view states. Below is the federal picture, followed by the status in every state.

View the states on the interactive map →

Federal status

Federal law applies nationwide — state programs below operate despite federal Schedule I status. Last reviewed 2026-06.

Psilocybin

Illegal

Federal: Schedule I under the Controlled Substances Act (no accepted medical use federally). Substantial state-level variation — Oregon and Colorado have regulated supervised-access programs; several cities have decriminalized. State nuance handled in the US-states layer.

Official source (2026-05)

MDMA

Illegal

Federal: Schedule I under the Controlled Substances Act. FDA rejected MDMA-assisted therapy approval (2024); access is clinical-trial / expanded-access only, which does not count as Legal. State variation tracked in the US-states layer.

Official source (2026-05)

Ibogaine

Illegal

Federal: Schedule I under the Controlled Substances Act. No federal therapeutic pathway. Some states (e.g. Texas) fund ibogaine research; state-level nuance in the US-states layer.

Official source (2026-05)

DMT / Ayahuasca

Illegal

Federal: DMT is Schedule I under the Controlled Substances Act. Limited religious exemptions exist (UDV, Santo Daime) under RFRA, but a religious exemption alone does not create lawful supervised-therapy access.

Official source (2026-05)

Mescaline / Peyote

Illegal

Federal: mescaline and peyote are Schedule I under the Controlled Substances Act. A narrow exemption permits peyote use by members of the Native American Church.

Official source (2026-05)

Ketamine

Legal / regulated access

Tracked separately — a prescription medicine, excluded from the blended status.

Schedule III prescription anesthetic; FDA-approved esketamine (Spravato) and widespread off-label ketamine therapy under medical supervision. Legal as a controlled medicine.

Official source (2026-05)

Status by state

Click any state for detailed notes and sources.

StateOverallPsilocybinMDMAKetamine
AlabamaIllegalIllegalIllegalLegal / regulated access
AlaskaIllegalIllegalIllegalLegal / regulated access
ArizonaIllegalIllegalIllegalLegal / regulated access
ArkansasIllegalIllegalIllegalLegal / regulated access
CaliforniaDecriminalizedDecriminalizedIllegalLegal / regulated access
ColoradoLegal / regulated accessLegal / regulated accessIllegalLegal / regulated access
ConnecticutIllegalIllegalIllegalLegal / regulated access
DelawareIllegalIllegalIllegalLegal / regulated access
District of ColumbiaDecriminalizedDecriminalizedIllegalLegal / regulated access
FloridaIllegalIllegalIllegalLegal / regulated access
GeorgiaIllegalIllegalIllegalLegal / regulated access
HawaiiIllegalIllegalIllegalLegal / regulated access
IdahoIllegalIllegalIllegalLegal / regulated access
IllinoisIllegalIllegalIllegalLegal / regulated access
IndianaIllegalIllegalIllegalLegal / regulated access
IowaIllegalIllegalIllegalLegal / regulated access
KansasIllegalIllegalIllegalLegal / regulated access
KentuckyIllegalIllegalIllegalLegal / regulated access
LouisianaIllegalIllegalIllegalLegal / regulated access
MaineDecriminalizedDecriminalizedIllegalLegal / regulated access
MarylandIllegalIllegalIllegalLegal / regulated access
MassachusettsDecriminalizedDecriminalizedIllegalLegal / regulated access
MichiganDecriminalizedDecriminalizedIllegalLegal / regulated access
MinnesotaDecriminalizedDecriminalizedIllegalLegal / regulated access
MississippiIllegalIllegalIllegalLegal / regulated access
MissouriIllegalIllegalIllegalLegal / regulated access
MontanaIllegalIllegalIllegalLegal / regulated access
NebraskaIllegalIllegalIllegalLegal / regulated access
NevadaIllegalIllegalIllegalLegal / regulated access
New HampshireIllegalIllegalIllegalLegal / regulated access
New JerseyIllegalIllegalIllegalLegal / regulated access
New MexicoLegal / regulated accessLegal / regulated accessIllegalLegal / regulated access
New YorkIllegalIllegalIllegalLegal / regulated access
North CarolinaIllegalIllegalIllegalLegal / regulated access
North DakotaIllegalIllegalIllegalLegal / regulated access
OhioIllegalIllegalIllegalLegal / regulated access
OklahomaIllegalIllegalIllegalLegal / regulated access
OregonLegal / regulated accessLegal / regulated accessIllegalLegal / regulated access
PennsylvaniaIllegalIllegalIllegalLegal / regulated access
Rhode IslandIllegalIllegalIllegalLegal / regulated access
South CarolinaIllegalIllegalIllegalLegal / regulated access
South DakotaIllegalIllegalIllegalLegal / regulated access
TennesseeIllegalIllegalIllegalLegal / regulated access
TexasIllegalIllegalIllegalLegal / regulated access
UtahIllegalIllegalIllegalLegal / regulated access
VermontDecriminalizedDecriminalizedIllegalLegal / regulated access
VirginiaIllegalIllegalIllegalLegal / regulated access
WashingtonDecriminalizedDecriminalizedIllegalLegal / regulated access
West VirginiaIllegalIllegalIllegalLegal / regulated access
WisconsinIllegalIllegalIllegalLegal / regulated access
WyomingIllegalIllegalIllegalLegal / regulated access

Educational information, not legal advice. Statuses reflect lawful access for supervised therapeutic use as of 2026-06.

Legal psychedelic-assisted therapy, today

While US access evolves state by state, ATMA CENA already provides supervised, legal psychedelic-assisted therapy in Canada — and trains practitioners across North America.