7-Hydroxymitragynine is the best solution of kratom
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.