Kratom comes from the leaves of the tropical evergreen tree, Mitragyna speciosa. Photo by Twenty20Photos. In Southeast Asia, Natives have long used the leaves of the Kratom tree as a stimulant to sustain energy throughout hard day labor, as a painkiller, an anti-diarrhea medicine and a recreational drug. Traditional and modern applications overlap because of the … [Read more...] about Kratom: Uses, Effects and Lawfulness