Caffeine + Mitragyna speciosa

Low confidence: This risk rating could be wrong, we don't know much about this combination.

Low risk no synergy: This combination won't do much more than the individual effects of the psychoactives involved.

Reports of people trying this psychoactive combination

“The combination felt most like a high dosage of ritalin.” Erowid.

Related research publications

We are yet to identify a research publication reporting on this combination. If you know of a publication that demonstrates the risk rating of this combination, please share the publication with us.

Disagree? Found a typo? Got more info? Edit this page or email us