At the end of October 2022, we tested a number of substances of particular health concern. In addition to several high-dose ecstasy tablets, caffeine was detected in two tablets in addition to MDMA. An extremely high MDMA content was detected in one ecstasy tablet. In a sample submitted as mephedrone, 3-CMC and iso-3-CMC were detected instead.

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 week 45 - 2022

In October 2022, we tested a number of substances of particular health concern during inpatient drug checking and at an event. In addition to some (very) high-dose ecstasy tablets, synthetic cathinones (3-CMC or 4-CMC) were identified in four tablets alongside MDMA. Another ecstasy tablet contained only caffeine, another the opioid buprenorphine. The new psychoactive substance 2-fluorodeschloroketamine was detected in a sample dispensed as ketamine. Furthermore, a sample dispensed as cannabis contained the synthetic cannabinoid MDMB-4en-PINACA.

In the following, all samples that have been taken since the last warnings to date by checkit! analysed and classified as high-dose, unexpected or of particular health concern: Current warnings week 43-2022

At the end of September / beginning of October 2022, we tested a number of substances of particular health concern. Two samples submitted for analysis as ecstasy tablets contained, in addition to MDMA, each of the following an unknown substance. Another sample submitted for analysis as an ecstasy tablet contained MDMA instead of 3-CMC and iso-3-CMC, and four unknown substances. A sample submitted as MDMA also contained, in addition to MDMA, a unknown substance. Another sample submitted as MDMA contained only 4-CMCanother exclusively Ketamine. In a sample submitted as cocaine, in addition to cocaine Levamisole and one unknown substance .

In the following, all samples that have been taken since the last warnings to date by checkit! analysed and classified as high-dose, unexpected or of particular health concern: Current warnings week 41-2022

In September 2022, we tested a number of substances of particular health concern. In addition to MDMA, several ecstasy tablets also contained the synthetic cathinones 4-CMC and/or Mephedrone (4-MMC) found. Another tablet contained 3-CMC, iso-3-CMC and two unknown substances. An MDMA sample submitted as a powder contained instead 4-CMC. In a tablet delivered as 2C-B 4-AcO-DMT and Psilocin proven.

In the following, all samples that have been taken since the last warnings to date by checkit! analysed and classified as high-dose, unexpected or of particular health concern: Current warnings week 39-2022

At the end of August / beginning of September 2022, we tested a number of substances of particular health concern. Instead of the expected MDMA, two tablets submitted for analysis as ecstasy contained a mixture of Amphetamine and caffeine. Another ecstasy tablet contained the synthetic cathinones Clophedrone (3-CMC) and iso-3-CMC and two unknown substances on. In a powder submitted for analysis as 2C-B Methaqualone, Etaqualone and two other unknown substances proven.

In the following, all samples that have been taken since the last warnings to date by checkit! analysed and classified as high-dose, unexpected or of particular health concern: Current warnings week 37-2022