In early to mid-May 2026, we tested a number of substances of particular health concern during stationary and mobile drug checking. In addition to MDMA, one sample submitted as MDMA contained the active ingredient 4-CMC was found. In two tablets dispensed as 2C-B, in addition to the expected active substance, one unknown substance detected. One cocaine sample contained only Procaine.

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 21 - 2026