substances

Harm reduction information for commonly used substances.

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All dosage amounts refer to pure active substance. Actual street substances are rarely pure – always start lower than displayed amounts. This information is for harm reduction only and does not constitute medical advice.

22 substances across 8 categories sourced from harm reduction literature (PsychonautWiki, TripSit). Tap a substance card to view detailed dosing, timing, risks, safer-use tips, and drug checking links.

22 substances