Harm Reduction Resources

Essential information and support for safer substance use and community care. Knowledge is safety — always test, always research, always have a plan.

Substance Testing

At-Home Test Kits
Professional drug testing kits for psychedelics. Test your substances for purity and safety.
Order Test Kits
Free Lab Testing
Free, confidential substance checking service. Mail-in testing to determine active ingredients, fillers, and presence of Fentanyl.
Free Lab Testing

Education & Guides

Drug Interaction Chart
Visual guide showing dangerous and unsafe drug combinations. Always check interactions before combining substances.
View Drug Interaction Chart
Zendo Psychedelic Support Manual
Comprehensive training manual for providing peer support during challenging psychedelic experiences. Essential resource for harm reduction practitioners.
View Zendo Manual
In-Person Drug Checking Services
You can also go in-person to these services for a faster result