Harm reduction knowledge base

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Evidence-based articles on harm reduction, drug safety, and rave wellness. Cited, practical, and written for people who have already decided to participate.

lsdpsychedelicsharm reductionduration

How Long Does LSD Last? A Complete Timeline of the Trip

LSD lasts 8–12 hours depending on dose. Here's the full timeline from first alert to afterglow, backed by clinical pharmacokinetics data.

May 13, 2026
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mdmatest kitsdrug checkingharm reductionfentanyl

How to Test Your MDMA: A Complete Drug Checking Guide

Testing MDMA with reagent kits and fentanyl test strips can prevent overdose and adulterant exposure. Here's exactly how to do it correctly.

May 13, 2026
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ketamineharm reductionbladder damage

Ketamine Bladder Damage: What K-Cramps Actually Mean

Ketamine bladder damage causes severe pain, frequent urination, and can lead to permanent organ loss. Learn the symptoms, mechanism, and how to protect yourself.

May 13, 2026
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mdmaalcoholinteractionsharm reduction

Mixing MDMA and Alcohol: What Actually Happens

Mixing MDMA and alcohol significantly raises hyperthermia and dehydration risk. Here's the mechanism, the specific dangers, and what to do instead.

May 13, 2026
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mdmaharm reductionmagnesiumbruxismjaw clenchingsupplements

MDMA Jaw Clenching and Magnesium: What the Evidence Actually Shows

Does magnesium reduce MDMA-induced jaw clenching? Evidence review of the mechanism, study quality, dosing, and what's missing from the research.

May 13, 2026
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psilocybinmushroomspsychedelicsharm reduction

How to Have a Safe Psilocybin Trip: Set, Setting, and Dosing

A practical guide to psilocybin safety: how to dose for your first time, prepare your set and setting, and handle a difficult trip if one occurs.

May 13, 2026
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2C-B vs. Tusi (Pink Cocaine): They Are Not the Same Drug

Tusi and 2C-B are not the same drug. Lab testing shows pink cocaine usually contains MDMA and ketamine — with very different risks than actual 2C-B.

May 12, 2026
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mdmalsddrug combinationsharm reductioncandy flipserotonin

Candy Flip (MDMA + LSD): Risks, Timing, and How to Do It Safer

A candy flip combines MDMA and LSD for a 12–18 hour experience. Here's the timing rationale, the real risks, and practical harm reduction for both substances.

May 12, 2026
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harm reductionfestivalsdrug checkingsafety

Harm Reduction at Music Festivals: A Practical Pre-Event Checklist

What to bring, what to test, and what to know before attending a rave or music festival. A practical checklist covering drug checking, heat management, hearing protection, and emergency preparedness.

May 12, 2026
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How to Stop a Bad Trip: What Actually Works

Bad trip help, ranked by evidence: environment change first, benzos second, antipsychotics never. Includes the lithium emergency flag and when to call 911.

May 12, 2026
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fentanyldrug checkingtest kitsharm reductionfentanyl test strips

How to Use Fentanyl Test Strips: A Step-by-Step Guide

Step-by-step fentanyl test strip instructions, water ratios by substance, how to read results, false positives, and what to do if you test positive.

May 12, 2026
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ketamineharm reductionbladder damagedependencek-cramps

Is Ketamine Addictive? K-Cramps, Bladder Damage, and Signs of Dependence

Yes, ketamine can be addictive. Psychological dependence is common in heavy users. Bladder damage (ketamine uroepathy) is irreversible at advanced stages. Here's what the evidence shows.

May 12, 2026
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mdmaharm reductionsupplementsserotonincomedown

The MDMA Comedown: Why It Happens and How to Reduce It

MDMA comedown depression ('Blue Tuesday') is caused by temporary serotonin depletion. Here's the mechanism, the timeline, and what evidence actually supports for recovery.

May 12, 2026
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mdmaneurotoxicityharm reductionserotoninbrain damage

MDMA Neurotoxicity: Does Ecstasy Cause Brain Damage?

MDMA neurotoxicity is real but heavily dose- and frequency-dependent. The evidence for brain damage in moderate users is much weaker than headlines suggest. Here's what research actually shows.

May 12, 2026
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MDMASSRIsdrug interactionsharm reductionserotonin syndrome

MDMA and Antidepressants (SSRIs/SNRIs): What Actually Happens?

Can you take MDMA on antidepressants? SSRIs blunt the roll, SNRIs raise cardiac risk, and MAOIs are life-threatening. Here's the evidence.

May 12, 2026
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MDMA Supplements Protocol: Pre-Loading and Post-Loading Guide

The evidence-graded MDMA supplements protocol: what R-ALA, magnesium, Vitamin C, and 5-HTP actually do, when to take them, and what the research honestly supports.

May 12, 2026
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