At the end of November 2022, we tested a number of substances of particular health concern. In addition to the expected substances, one heroin sample also contained Paracetamol, caffeine and four unknown substances. A sample submitted as 3-MMC instead contained 3-CMC (Clophedrone)another only contained cocaine. Some cocaine samples contained various extenders, including, for example, one with Phenacetin, procaine and methylphenidate.

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 49 - 2022