Amid kratom crackdown, FDA warns 7 OH may be next wave of opioid crisis Morning in America WARNING: Georgians should be aware of a synthetic opioid known as 7 OH that's flooding gas stations and smoke shops across the state. These harmful and addictive drugs are sold like candy, and 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. LRADAC Health Alert: 7OH A Dangerous New Synthetic Drug A new synthetic substance called 7OH is raising concern among health officials. Here's what you need to know