Possession
Possession of mushrooms or other products containing psilocybin or psilocin is illegal. The supplied sources describe spores that contain neither substance as legal to possess. They do not establish the status of grow kits.
JP Psilocybin law · Asia-Pacific & Africa · Reviewed Nov 12, 2026
Psilocybin mushrooms are illegal in Japan; the supplied sources also say psilocybin-containing truffles are treated as narcotics.
Possession of mushrooms or other products containing psilocybin or psilocin is illegal. The supplied sources describe spores that contain neither substance as legal to possess. They do not establish the status of grow kits.
Selling, supplying, cultivating, importing, or exporting psilocybin-containing mushrooms is prohibited. The sources describe no lawful retail market for them.
The supplied sources say therapeutic use is not approved in Japan. They do not identify a formal medical-access program.
Visitors are subject to Japan’s drug laws too. Do not bring or possess products containing psilocybin or psilocin; the sources describe significant criminal penalties. The sources do not specify rules for grow kits.
Japan designated psilocybin mushrooms as controlled narcotics; the supplied sources say they had previously been openly sold.
A supplied search result reports that an appellate court treated psilocybin-containing truffles as narcotics. This summary relies on the provided search-result text.
Number of countries in each category. Japan’s category is highlighted.
Access score from 0 (illegal) to 5 (legal or openly sold).
Browse cities across Japan and see the nearest listings on the map.
Listings describe themselves; Pscilly does not sell psilocybin, and sellers without a government licence are labeled “not licensed.”
Psilocybin mushrooms are illegal in Japan; the supplied sources also say psilocybin-containing truffles are treated as narcotics.
Possession of mushrooms or other products containing psilocybin or psilocin is illegal. The supplied sources describe spores that contain neither substance as legal to possess. They do not establish the status of grow kits.
Selling, supplying, cultivating, importing, or exporting psilocybin-containing mushrooms is prohibited. The sources describe no lawful retail market for them.
The supplied sources say therapeutic use is not approved in Japan. They do not identify a formal medical-access program.
Visitors are subject to Japan’s drug laws too. Do not bring or possess products containing psilocybin or psilocin; the sources describe significant criminal penalties. The sources do not specify rules for grow kits.
Pscilly classifies Japan as: illegal. Laws change often, so check the linked sources and current local rules.
Educational summary, not legal advice. Pscilly reviewed these laws on November 12, 2026 using the sources listed; laws and enforcement change often, so confirm current rules with local authorities or a lawyer before you travel. Never carry psilocybin across a border.
Pscilly is a mushroom directory and marketplace for the U.S., Canada, Europe and beyond, covering mushroom shops, licensed psilocybin centers, smart shops, retreats, mushroom brands, delivery services, events and deals. Listings come from the businesses themselves and from public sources, and every listing links to the business.