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How ibogaine could treat depression and anxiety | Nolan Williams

December 05, 2025 • 16m

Summary

⏱️ 8 min read

Overview

Neuroscientist Nolan Williams presents groundbreaking research on ibogaine, a plant-derived psychoactive compound, and its potential to treat traumatic brain injury and PTSD in veterans. Drawing parallels to the historical resistance against citrus as a scurvy treatment, Williams argues against modern 'anti-fruiters' who dismiss promising plant medicines due to institutional bias, while acknowledging the need for proper medical supervision and rigorous scientific evaluation.

The Historical Lesson of Scurvy and Anti-Fruiters

Williams opens with a vivid historical analogy from 1756, describing sailors dying of scurvy while doctors dismissed citrus fruit as too simple a solution, instead prescribing dangerous arsenic tonics. He introduces the concept of 'anti-fruiters'—people who weaponize scientific skepticism to block new treatments. Despite early clinical trials proving citrus effectiveness in the 1500s, institutional resistance delayed widespread adoption for over 100 years, causing a million preventable deaths.

  • Scurvy killed 2 million people from Columbus's time until widespread citrus adoption
  • The association between citrus and scurvy prevention was observed in the 1500s and led to the world's first clinical trial
  • Royal societies rejected citrus as too simple, prescribing arsenic and mercury instead
  • From James Lind's study to widespread implementation took over 100 years, during which a million people died
" Anti-fruiters: people who weaponize scientific skepticism to thwart new treatments from getting out to the world. "
" The problem was that from the time of James Lynn's study to the time of widespread implementation was more than 100 years. A million people died. "

Introducing Ibogaine: From Indigenous Medicine to Modern Research

Williams transitions to discussing psychedelics, specifically ibogaine from the Tabernath Iboga root bark used by the Bwiti people of Central West Africa for centuries. He explains that while these compounds are powerful, they require medical supervision due to risks like rare cardiac arrhythmia. The modern equivalent of sailors—Navy SEALs—face traumatic brain injury and PTSD, conditions for which standard treatments offer limited help, leading some veterans to seek psychedelic medicines abroad.

  • Psychedelics have been used for thousands of years by indigenous populations; Tabernath Iboga root bark was used by the Bwiti for psycho-spiritual purposes
  • Ibogaine requires medical settings with monitoring due to risks including rare cardiac arrhythmia and death
  • Navy SEALs face traumatic brain injury and PTSD; standard treatments (oral antidepressants and talk therapy) have limitations
  • Veterans like Marcus Capone traveled to Mexico to receive ibogaine treatment outside the U.S., where the compound is illegal
" The modern scourge of sailors, Navy SEALs, isn't scurvy. It's traumatic brain injury and post-traumatic stress disorder. "

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