In September 2022, we tested a number of substances of particular health concern. In addition to MDMA, several ecstasy tablets also contained the synthetic cathinones 4-CMC and/or Mephedrone (4-MMC) found. Another tablet contained 3-CMC, iso-3-CMC and two unknown substances. An MDMA sample submitted as a powder contained instead 4-CMC. In a tablet delivered as 2C-B 4-AcO-DMT and Psilocin proven.

In the following, all samples that have been taken since the last warnings to date by checkit! analysed and classified as high-dose, unexpected or of particular health concern: Current warnings week 39-2022