Yes. Iam notnon drug lab scientist. So i am not sure. I know coffeine, some time speed and metamphetamin. And when heard of heroin mixed in xtc to smooth the high and make people addicted. I dont believe everything i read. I only write about my opinion and check for some facts.
I can check out for you if you want to. But for sure a yellow or blue f.ex xtc pill is nøt only mdma. Its a ingredients. But it has a lot om commen. Yes!