7 OH Archives The Provincetown Independent 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. Parents: Have You Heard of 7 OH? A new substance called 7 OH (7 Hydroxymitragynine) is starting to appear in gas stations, vape shops, and online stores, and many people don't realize the risks. The Food and Drug Administration has now turned its attention to synthesized opioids, known as 7OH, with federal officials calling for the substance to be classified as an illicit drug. Dr. Marty Official Flavour Beast Online Vape Store Canada Free Shipping 7 oh vape buy online