In mid-January and early February 2025, we tested a number of substances of particular health concern during both stationary and mobile drug checking. In addition to a large number of high-dose ecstasy tablets, two tablets contained MDMA in addition to or instead of MDMA, Amphetamine and Caffeineanother 5-MeO-MiPT. In another MDMA sample 3-CMC and a cocaine sample was found to contain cocaine instead of Mephedrone and one unknown substance was detected. Several samples submitted as cocaine also contained combinations of the typical extenders Levamisole, procaine or Caffeine. In addition to amphetamine, two speed samples also contained MDMA or Cocaine. Another speed sample contained the following instead of amphetamine Methamphetamine, another Ketamine and another sample Cocaine. A sample submitted for analysis as ketamine contained 2-MMC. In addition to two high-dose 2C-B tablets, two others contained 2C-B several Unknown substances. Two LSD samples contained, in addition to or instead of the expected LSD, a unknown substance. In a sample passed off as cannabis MDMB-4en-PINACA was detected. Three samples submitted as mephedrone contained 4-MMC instead of the expected 4-MMC, 2-MMC. In three further 3-MMC samples 2-MMC or 3-CMC proven.

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 6 - 2025