7 oH vapes 7 oh kratom near me 7oh vape FDA Pushes to Classify 7 OH Sold in Vape Shops as Illicit Drug Ecigator geek bar pulse vapes What Is a 7 OH Vape? Safety, Legality & Alternatives The supply of high potency opioids is expanding through products sold legally as herbal supplements in gas stations, vape shops, and convenience stores. The most prominent is 7 hydroxymitragynine, also known as 7 OH. 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.