In July 2021, we tested a number of substances of particular health concern. One sample submitted as cocaine contained Clephedrone (4-CMC) and an unknown substance. During an LSD trip, traces of LSD and the new psychoactive substance 25E-NBOH were detected. Two samples handed in as cannabis also contained the synthetic cannabinoid MDMB-4en-PINACA, another sample contained the synthetic cannabinoid 4F-MDMB-BICA and another sample 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 29 - 2021