From mid-August to early September 2026, we tested a number of substances of particular concern to public health as part of our in-person drug-checking service. The active ingredient was once again found in two tablets PMMA analysed. In a sample supplied as cocaine, only the active ingredient NEP/N-ethylpentedrone detected. In the majority of samples sold as 3-MMC, the active ingredient 4-CMC found.

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 37 – 2026