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. 7 OH Vape Ultra Seven Ultra Strength Chewable 7OH Kratom Extract Tablets Cookies Apothecary 7 OH Near Me PARENT ALERT: What is 7 OH and Why Should You Be Concerned? A substance called 7 OH is raising alarms among local experts and parents. 7 OH refers to 7 hydroxy mitragynine, a highly potent chemical 7 O'Heaven 7 OH Vape Pen , Shop Now At PaylessKratom.com 7 oh kratom vape A Unique Way to Experience Kratom Trend Alert: 7 OH Kratom And 7 OH Vape