Reagent test vs urine test: which one you need
Two products, one name. A reagent checks what a substance is before you take it. A urine test looks for metabolites after.
GUIDES
Step-by-step guides to checking what is actually in a sample. Which reagent suits which substance, how to read a colour change, and where reagents stop and purity testing begins.
58 articles
Step-by-step guides to checking what is actually in a sample. Which reagent suits which substance, how to read a colour change, and where reagents stop and purity testing begins.
Two products, one name. A reagent checks what a substance is before you take it. A urine test looks for metabolites after.
Thin layer chromatography separates a sample into every compound in it, and estimates how much. What a reagent cannot do.
Anabolic steroids are the one market with no drug checking service behind it. What a home test finds, and what it misses.
101 Galenika, Bensedin, Ksalol and Elipam pills tested in labs. 79 were the benzodiazepine on the blister. One in five was not.
Once it meant somebody’s guess. Now it means a lab result. 9,374 tested samples from 27 European drug checking services.
Our research project measures how effective test kits actually are as a harm reduction tool. Taking part earns you a test.
Drug checking is not only about avoiding a bad batch. The evidence suggests the conversation around the test changes behaviour too.
Legal cannabis products carry strict THC limits, and compliance is rarely verified. Here is how to measure the actual concentration.