"Having been discovered by a drug addict, rather than by scientists in a laboratory, ibogaine has been condemned from the very beginning.133 Classified as a Schedule I controlled substance, ibogaine is listed in the same category with the very drugs it counteracts because its hallucinogenic properties arguably outweigh its medicinal value."

Source

Donnelly, Jennifer R, "The Need for Ibogaine in Drug and Alcohol Addiction Treatment," The Journal of Legal Medicine (Schaumburg, IL: American College for Legal Medicine, March 2011), Vol. 32, Issue 1, p. 106.