7-hydroxymitragynine

Mitragynine was once thought to be Mitragyna speciosa Kratom’s main active ingredient, yet more recently it has been found that the main active constituent is in fact more likely to be the potent 7-hydroxy derivative of mitragynine: 7-hydroxymitragynine First mentioned in a 1994 study paper...

The Mitragyna species are very rich in active compounds, and over 40 alkaloids have already been isolated in the leaves of its various species. Mitragyna speciosavar. Korthals has over 25 reported active alkaloids. The alkaloid content of the Kratom tree’s leaves varies from place to place, and...