What is 7 OH? Understanding the Banned Kratom Compound Still Detox American medicine was late to understand the dangers of cigarettes, cocaine, heroin, prescription opioids, and fentanyl. Lets not get blind sided by concentrated 7 OH sold in vape shops popping up State health cabinet to ban sale and possession of 'dangerous' kratom derivative BUDDY 7 OH MITRAGYNINE 110MG VAPE Rising Wholesale Inc. Doctors are warning about a substance they call gas station heroin that is available over the counter at vape stores across Arizona. The product is called 7 OH, a component derived from kratom.