substances What Is MGM-15? The New Kratom-Derived Opioid Raising Concerns About Addiction, Withdrawal, and Overdose Risk MGM-15, also called DHM, DH-7OH-MIT, or dihydro-7-hydroxymitragynine, is a semi-synthetic opioid compound related to kratom alkaloids. It is … by John InghamJune 9, 2026