Between mid- and late June 2026, we tested a number of substances of particular concern to public health as part of our in-person drug-checking service. In addition to some ecstasy tablets containing extremely high doses, one tablet was found to contain a mixture of MDMA, 4-CMC, caffeine, 1-PEA and one unknown substance detected. A sample submitted as GHB contained only GBL. In a sample sold as MDMA, the active ingredients were 4-MMC (Mephedrone), 4-CMC and 4-BEC identified.

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 for calendar week 27 – 2026