At the end of December 2022 / beginning of January 2023, we tested a number of substances of particular health concern. A liquid sample submitted for analysis as speed contained the following substance instead of the expected amphetamine GBL (γ-butyrolactone). In addition to 2C-B, a tablet submitted for analysis as 2C-B also contained the new psychoactive substance α-PiHP was detected. In addition, a mephedrone sample was found to contain mephedrone with 3-CMC (Clophedrone) an additional synthetic cathinone was identified.

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 week 3 - 2023