This tree, a member of the family of the apocynaceae, the same to which for instance iboga belongs, comes from South America and is used there in folk medicine.
Use: Decoctions or tinctures made from the bark.
Active constituents: Alkaloids aspidospermine, quebrachine (yohimbine). The potency levels of this drug have large variations.
Side Effects: Overdoses can trigger nausea.
Suppliers: Ethnobotanical stores, pharmacies.
Miscellaneous: Quoting from a letter: “During the investigation of the aphrodisiacs we came to the conclusion that mixtures act substantially better and more complete than the individual