Transparency
Our sources
Our editors cite only publicly verifiable sources. Every scientific claim on our substance pages links to at least one of the organisations below.
Government & public-health agencies
- Trimbos Institute ↗
Dutch national institute for mental health and addiction. Primary Dutch authority on drug epidemiology, harm reduction, and legal substances.
- National Institute on Drug Abuse (NIDA) ↗
US NIH branch publishing research reports on substances, effects, and treatment.
- EMCDDA ↗
European Union Drugs Agency. EU-level epidemiology, new psychoactive substance early warning.
Peer-reviewed research
- PubMed ↗
US National Library of Medicine — primary index for biomedical literature. Most of our dosage and mechanism citations resolve here.
- Crossref / DOI ↗
Canonical DOI resolver used for all our bibliographic references.
- MAPS (Multidisciplinary Association for Psychedelic Studies) ↗
Non-profit research organisation — clinical trial publications for MDMA-, psilocybin-, and ayahuasca-assisted therapy.
Community & harm-reduction archives
- Erowid ↗
Independent non-profit documentation archive for psychoactive plants and chemicals. Cited for traditional use and dosage observations.
- DrugsAndMe ↗
Oxford-based harm-reduction platform with evidence-graded substance profiles.
- PsychonautWiki ↗
Community-maintained encyclopedia. Used only as a cross-reference — every PsychonautWiki claim is verified against a primary source before publication.
Dutch law & regulation
- Opiumwet (Dutch Opium Act) ↗
Official Dutch Opium Act — primary source for all legal-status claims on our substance pages.
- Rijksoverheid (Dutch Government) ↗
Official government portal for Dutch policy statements on coffeeshops, smartshops, drug testing, and public health.
Correction policy. If you spot an inaccuracy, email [email protected]. We correct within 72 hours and add a visible correction note to the article in question.