Since the beginning of March we have a range of substances that are harmful to health tested. Apart from the tablets sold as ecstasy, which contained a large number of other substances in addition to the particularly harmful substance PMA (see here)are a series of other tablets with unexpected and questionable ingredients were handed in. All samples that have been handed in from 1 March to date at checkit! analysed and were classified as high-dose, unexpected or of particular health concern, you will find a detailed description here.