In January 2022, we tested a number of substances of particular health concern. Instead of MDMA, one ecstasy tablet contained Amphetamine and Caffeine. A sample passed off as LSD contained instead of LSD a unknown substance. A sample submitted as heroin showed two unknown substances .

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 KW 5-2022