At the end of March 2024, we tested a number of substances of particular health concern. Among other things, various other substances were discovered in samples submitted as speed, including 4-fluoroamphetamine, methamphetamine, 3-CMC (clophedrone). In a sample passed off as hashish, the synthetic cannabinoid MDMB-4en-PINACAin a second hashish sample MDMB-4en-PINACA and ADB-B-5Br-INACA and one unknown substance .

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 14 - 2024