In mid-September 2026, we tested a number of substances of particular concern to public health as part of our mobile and stationary drug-checking services. The active ingredient was once again found in two tablets believed to be ecstasy. PMMA analysed. Two tablets contained 4-fluorocathinone Instead of MDMA, another pill contained not only MDMA but also NEP detected. Furthermore, the majority of the other tablets sold as ecstasy contained either MDMA in addition to, or instead of, Caffeine resp. Mixtures of Amphetamine and caffeine. The majority of the samples sold as 3-MMC or 4-MMC contained the active ingredient 4-CMC or mixtures of 4-MMC and 4-BEC.

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 39 – 2026