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Warning! Nitazenes in a heroin sample
On 20 April 2026, we detected a high content of diacetylmorphine (heroin) and two as yet unidentified nitrazenes in a sample submitted as heroin. The sample was analysed in...
Drug checking and counselling also available at the U4 Center!
The renovation work has been completed and you can now also use drug checking and counselling without an appointment at our second location in the 12th district from 20 April 2026. The „checkit!...
30 December 2025 – New Year's Eve check @ checkit! – Homebase, Gumpendorferstraße 8
At the end of the year, we want to give you the opportunity to receive advice and substance analysis (: From 3 p.m. onwards, you can visit us at our home base (Gumpendorferstraße...
Winter break from 24 December 2025 to 7 January 2026
We will be closed from 24 December 2025 to 7 January 2026. The last legal consultation before the break will be on 18 December. We will be available again as usual from 8 January. If you need assistance during the holidays...
Drug checking suspension from 1 December 2025 to 7 January 2026
We have been working intensively behind the scenes to improve our workflows. In order to implement these changes, we need to pause the analysis for a while so that everything is up to date.
Drug Checking Annual Report 2024
The checkit! - Drug Checking Annual Report for 2024 is now online! The annual report provides an overview of the analysis results of various psychoactive substances that were submitted for analysis...
Drug Checking Annual Report 2024
The checkit! - Drug Checking Annual Report for 2024 is online! The annual report provides an overview of the results of analyses of various psychoactive substances carried out in 2024...