FDA Pushes to Classify 7 OH Sold in Vape Shops as Illicit Drug Ecigator 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. Months after FDA calls it an addictive opioid, 7 OH still sold over the counter What Is 7 OH? The Emerging Opioid Threat Addiction Professionals Need to Understand in 2026 International Society of Substance Use Professionals