In July 2023, we tested a number of substances of particular health concern. Some ecstasy tablets contained a (very) high dose of MDMA. In addition, unexpected ingredients were detected in other ecstasy tablets instead of MDMA, one of which contained a unknown substance contained in another Caffeine and the hallucinogen AMT. A sample submitted as MDMA instead contained the new psychoactive substance 3-CMC. In a cannabis sample, the synthetic cannabinoids MDMB-4en-PINACA and JWH-210 was detected. In a trip submitted for analysis as LSD, in addition to LSD, a unknown substance was detected. Two powders delivered as 2C-B also contained, in addition to 2C-B, a unknown substance.

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 KW 30 - 2023