Guide To 7Tabz & Other 7 OH Tablets Brooks Healing Center Kratom and 7 hydroxymitragynine or 7 OH are two types of substances that have been gaining attention recently. But what exactly are they? Kratom is considered an herbal supplement that can have effects similar 7 Oh Mitragynine Vape PSA: Don't fall for the "natural" hype. We need to talk about 7 OH ( 7 hydroxymitragynine), a potent psychoactive compound being sold in gummies, candies and liquid shots Months after FDA calls it an addictive opioid, 7 OH still sold over the counter