At the beginning and middle of March 2025, we tested a number of substances that pose a particular health risk. In addition to high-dose ecstasy tablets, a cocaine sample was tested instead of cocaine, Clindamycin was found. Five further cocaine samples also contained mixtures of known extenders such as Procaine, levamisole and caffeine. In addition to cannabis, three samples submitted as cannabis also contained Unknown substances was detected. In two tablets dispensed as XANAX (alprazolam) Flualprazolam was found. Two samples submitted as 3-MMC contained instead 2-MMC. In a further mephedrone sample, in addition to 4-MMC, a unknown substance found.

Under the following link, all samples that have been analysed by checkit! since the last warnings and classified as high-dose, unexpected or of particular health concern are presented in detail: Current warnings KW 12 - 2025