Kratom

Mitragyna speciosa (commonly known as kratom[3]) 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,[4] where it has been used in herbal medicine since at least the nineteenth century.[5] Kratom has opioid properties and some stimulant-like effects.[6][7] As of 2018[update], the efficacy and sa... [wikipedia]