At the beginning of June 2023, we tested a number of substances of particular health concern. In two as Heroin samples were analysed in addition to Caffeine and Paracetamol 4 unknown substances analysed.

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 week 24 - 2023