It's not a common adulterant, so your skepticism is warranted, but using the advanced search at EcstasyData, I'm seeing about 6% of pills/substances they've tes

It's not a common adulterant, so your skepticism is warranted, but using the advanced search at EcstasyData, I'm seeing about 6% of pills/substances they've tested that had both MDMA and ketamine in them. 804 results for MDMA + anything else: https://www.ecstasydata.org/search.php?search_field=adv&name=&field_test=&substance1=2012&substance2=-3&id=&color=&colorexact=0&city=&source=&m1=&y1=&m2=&y2=&state=&country=&sold_as_ecstasy=yes https://www.ecstasydata.org/search.php?search_field=adv&name... 50 results for MDMA + ketamine: https://www.ecstasydata.org/search.php?search_field=adv&name=&field_test=&substance1=2012&substance2=79&id=&color=&colorexact=0&city=&source=&m1=&y1=&m2=&y2=&state=&country=&sold_as_ecstasy=yes https://www.ecstasydata.org/search.php?search_field=adv&name...