Is Psilocybin Therapy Legal in South Dakota? (2026)

ILLEGAL
Confidence: High

No — Psilocybin Therapy is illegal in South Dakota as of 2026.

Key Restriction
Possession and use prohibited
Penalty
Felony
Last Updated
2026-03-25

Law changed in 2026: In March 2026, the governor signed a bill to legalize synthetic psilocybin for therapeutic use, but only if it is approved by the federal government. This does not change the current legal status of psilocybin.

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Quick Answer

Psilocybin therapy is not legal in South Dakota. In March 2026, the governor signed a bill to legalize synthetic psilocybin for therapeutic use, but only if it is approved by the federal government.

What the Law Says

South Dakota law classifies psilocybin as a Schedule I controlled substance, making possession a felony. However, recent legislation will reschedule a synthetic version of psilocybin to a lower schedule upon federal approval.

NCSL Psychedelic Therapy Legislation
Category Details
Patient Access Illegal
Licensed Providers Illegal
Penalties Felony charges for possession or distribution.
Pending Legislation None known
Recent Changes

In March 2026, the governor signed a bill to legalize synthetic psilocybin for therapeutic use, but only if it is approved by the federal government. This does not change the current legal status of psilocybin.

Enforcement Reality

While a bill has been signed to legalize synthetic psilocybin for therapeutic use upon federal approval, psilocybin remains illegal in South Dakota. Law enforcement actively prosecutes psilocybin cases, and possession is a felony.

Charge Level
Felony
Enforcement Likelihood
Moderate
Common Triggers
Possession during unrelated arrest, Public consumption
Common Mistakes

A common mistake is to believe that the new law has already legalized psilocybin. The law is contingent on federal approval, and until then, possession of psilocybin is illegal.

Local Exceptions

None identified. State law applies uniformly across South Dakota. Local ordinances may still vary — check with your city or county government for any additional rules.

Bottom Line

Psilocybin Therapy is illegal in South Dakota. This activity can result in criminal charges. Do not assume enforcement is lax — penalties are real. Consult a licensed attorney if you have specific questions.

South Dakota vs. the Rest of the US

Across the US, accessing psilocybin therapy is fully legal in 2 states, restricted in 0, and illegal in 48. South Dakota falls in the ILLEGAL category.

View the full 50-state map →

Neighboring States

Laws change at state lines. Here is how bordering states compare on Psilocybin Therapy:

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Frequently Asked Questions

Is accessing psilocybin therapy legal in South Dakota?
No — Psilocybin Therapy is illegal in South Dakota as of 2026. Psilocybin therapy is not legal in South Dakota. In March 2026, the governor signed a bill to legalize synthetic psilocybin for therapeutic use, but only if it is approved by the federal government.
What are the penalties for accessing psilocybin therapy in South Dakota?
Felony charges for possession or distribution.
How strictly does South Dakota enforce its psilocybin therapy laws?
While a bill has been signed to legalize synthetic psilocybin for therapeutic use upon federal approval, psilocybin remains illegal in South Dakota. Law enforcement actively prosecutes psilocybin cases, and possession is a felony.
What typically triggers enforcement in South Dakota?
Possession during unrelated arrest, Public consumption

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EH
Ethan Harper Independent Legal Researcher

Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.

Last reviewed: 2026-03-25 Method: Statute cross-reference

Sources & Verification

2.
Statute Summary
South Dakota law classifies psilocybin as a Schedule I controlled substance, making possession a felony. However, recent legislation will reschedule a synthetic version of psilocybin to a lower schedu…
Verified: 2026-03-25 Reviewed by: Ethan Harper Method: Statute cross-reference Confidence: High

This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.

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