California Takes On Potent Synthetic Drug 7 OH KQED 7 Oh Mitragynine Vape Our team has removed 17,311 packages of isolated and or concentrated 7 The Kratom Conundrum Comes to Outer Cape Cod The Provincetown Independent 7 hydroxymitragynine Vape 7 O'Heaven 7 OH Cherry Vape Pen Swipe through to learn about 7 OH (7 hydroxymitragynine), a potent psychoactive compound found in the Kratom plant. As we move past the peaks of RX pills and fentanyl, 7 OH is emerging as a 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.