In January 2021, we tested a number of substances of particular health concern. In a sample submitted as cannabis, the synthetic cannabinoid MDMB-4en-PINACA found. A powder analysed as 3-methylethcathinone (3-MEC) contained another new psychoactive substance instead: 3-Chloroethcathinone (3-CEC).

Under the following link, all samples that have been collected since the last warnings until today at checkit! analysed and classified as high-dose, unexpected or of particular health concern: Current warnings week 5 - 2021