In July 2021, we tested a number of substances of particular health concern. One sample submitted as ketamine did not contain ketamine but Levamisole. In addition to the expected active ingredient MDMA, an ecstasy tablet also contained a unknown substance.

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 31-2021