Legal and Regulatory Barriers to Medical Psilocybin Use: An International Overview
October 2, 2025 Mohamad Chweikh preprint
Psilocybin shows promise for treating psychiatric and neurological disorders, but its legal status differs widely between countries, hindering clinical use and research. This overview examines the international regulatory landscape for medical psilocybin, focusing on legal restrictions, policy challenges, and emerging frameworks that facilitate clinical trials and compassionate use. Understanding these barriers is essential for clinicians, researchers, and policymakers.