In November 2022, we tested a number of substances of particular health concern. Two ecstasy tablets were found to contain amphetamine instead of MDMA. Another ecstasy tablet contained caffeine in addition to MDMA. A pink powder delivered as 2C-B contained ketamine and MDMA instead. A sample delivered as crack cocaine contained procaine and an unknown substance in addition to cocaine. Two samples handed in as mephedrone (4-MMC) contained 3-CMC (clophedrone) instead, the other sample also contained levamisole in addition to mephedrone.

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 47 - 2022