Substance Search

Harm reduction database — 1,542 substances

    Alcohol Alprazolam Amphetamine Caffeine Cocaine Dextromethorphan Diazepam Fentanyl Heroin Ketamine LSD MDMA Methamphetamine Nicotine Oxycodone
    🍄 Psychedelic Mind-expanding ⚡ Stimulant Energy & focus 🫧 Depressant Sedation & calm 🌀 Dissociative Detachment & holes 🌙 Opioid Pain relief & euphoria 💤 Benzodiazepine Anxiety & sleep 🌿 Cannabinoid Relaxation & altered states 💗 Empathogen Empathy & connection 💊 Barbiturate Deep sedation 🧠 Nootropic Cognition & memory 👁 Deliriant Delirium & visions 🧪 RCs Novel compounds
    1,542 Substances
    12 Categories
    57,905 Reports Indexed
    ⚙️

    Category Scales

    Explore substance intensity maps across 6 classes

    Psychedelic Empathogen Dissociative Stimulant Benzo Opioid
    ⚖️

    Compare Substances

    View effect profiles side by side

    Compare
    🔀

    Cross-Check Combinations

    Check drug interactions, plan a dose timeline, and share a live “never use alone” session

    Cross-Check

    Harm Reduction Resources

    DanceSafe Drug checking & education TripSit Real-time harm reduction chat Erowid Experience reports & info National Harm Reduction Coalition Overdose prevention & advocacy Drug Policy Alliance Policy reform & advocacy NEXT Distro Mail-based harm reduction supplies Bluelight Harm reduction community forum Kykeon Analytics Drug-checking lab & substance testing