Mitragyna speciosa, more commonly known as kratom, is a plant native to Southeast Asia, the leaves of which have been used traditionally as a stimulant and analgesic. 7-hydroxymitragynine is formed from mitragynine. 7-hydroxymitragynine mediates its analgesic effect via the mu-opioid receptor. for more visit : https://www.kratompoint.com/collections/7-hydroxymitragynine?page=5 https://www.kratompoint.com/collections/7-hydroxymitragynine?page=5