Months after FDA calls it an addictive opioid, 7 OH still sold over the counter 7 O'Heaven 7 OH Kratom Vape Pen Smooth, Flavorful Relief Great CBD Shop Emerging Drug Alert: 7 OH (7 Hydroxymitragynine) A new substance called 7 OH aka Kratom is being promoted for focus, pain relief, and anxiety, but they come with serious health risks. Reported risks include: Public Health is advising retailers to immediately stop selling and remove products that contain kratom and the synthetic kratom compound known as 7 Hydroxymitragynine (7 OH) from their shelves. Swipe for more information.