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Psilocybin Laws in Iowa

How Iowa law treats magic mushrooms (psilocybin), from the state code and official state agencies.

Short answer: Psilocybin and psilocyn are Schedule I controlled substances in Iowa. Possession without a prescription is a serious misdemeanor for a first offense, an aggravated misdemeanor with one prior drug conviction, and a class D felony with two or more prior drug convictions. Iowa Code §§ 124.204(4), 124.401(5)(a) (Iowa Code 2026)

Magic mushrooms (psilocybin)Psilocybin and psilocyn are Schedule I controlled substances in Iowa. Possession without a prescription is a serious misdemeanor for a first offense, an aggravated misdemeanor with one prior drug conviction, and a class D felony with two or more prior drug convictions. Iowa's controlled substances chapter contains no psilocybin program or decriminalization.
Possession: https://www.legis.iowa.gov/docs/code/124.401.pdf . Absence statement based on review of the whole chapter 124: https://www.legis.iowa.gov/docs/code/124.pdf .

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FAQ

Are magic mushrooms legal in Iowa?
Psilocybin and psilocyn are Schedule I controlled substances in Iowa. Possession without a prescription is a serious misdemeanor for a first offense, an aggravated misdemeanor with one prior drug conviction, and a class D felony with two or more prior drug convictions. Iowa's controlled substances chapter contains no psilocybin program or decriminalization.

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.