🍄
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
Category Scales
Explore substance intensity maps across 6 classes
Compare Substances
View effect profiles side by side
Cross-Check Combinations
Check drug interactions, plan a dose timeline, and share a live “never use alone” session
Session Journal
A private, encrypted diary of your Cross-Check sessions — kept only in your browser, with notes and revocable share links
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