<i>"Olson's team selected ibogaine because it seemed to have the most daunting side effects, including hallucinations and potentially fatal heart problems. It's also
increasingly hard to find the plants that naturally contain ibogaine, and synthetic versions of the drug have been difficult to make in large quantities."</i><p><i>"These obstacles make ibogaine "the Mount Everest of psychedelics," Olson says."</i><p>Another candidate would have been datura and related plants.