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psilocin

psilocin Psilocin is a psychoactive tryptamine alkaloid found in some fungi, including Psilocybe.

Psilocin is a psychoactive tryptamine alkaloid found in some fungi, including Psilocybe. It is the active compound formed from psilocybine in the body and acts in the central nervous system by stimulating serotonin 2A receptors, producing hallucinogenic and anxiolytic effects.

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Sources

Drafting source: NCI Thesaurus. Flat export snapshot 2026-10-18. “Psilocybine” (C62529).
CC-BY-4.0 · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: b27ca135beadd46c343d248135377c5077c5447fe11b93803bfab866b84fcd38

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “psilocin.” Development preview.

Version 1 · SHA-256: f24c5f47396a1fafab9b4ccf396e175aa9c018ab5eac5bfd33e69b3f7810324c

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