Mitragyna speciosa is a tropical evergreen tree in the coffee family native to Southeast Asia. It is indigenous to Thailand, Indonesia, Malaysia, Myanmar, and Papua New Guinea, where it has been used in herbal medicine since at least the nineteenth century. Kratom has opioid properties and some stimulant-like effects This information is for education purposes, and is not intended to diagnose, treat, cure, or prevent any disease. This information has not been evaluated by the Food and Drug Administration.