“The spirit molecule” is a nickname for DMT that comes from a book title. DMT: The Spirit Molecule, subtitled “A Doctor’s Revolutionary Research into the Biology of Near-Death and Mystical Experiences”, was published by Park Street Press on 1 December 2000 (Open Library). Its author, the psychiatrist Rick Strassman, had run human DMT studies at the University of New Mexico, and says the book tells the volunteers’ stories from more than 1,000 pages of bedside notes (Strassman, book page).
In the book Strassman proposed that DMT made in the body, perhaps by the pineal gland, might play a part in birth, death, near-death and mystical states. It was a hypothesis, not a finding. Later lab work measured DMT in rat brains whether or not the pineal gland was present (Dean et al., 2019), and DMT has never been measured in a living human brain. In 2024 Strassman himself said of the idea that “the data aren’t there yet” (Psychedelic Medicine Podcast, 2024).
The phrase now follows DMT through documentaries, podcasts and drug-agency lists of street names, often as if it were a scientific term. It is better read as one author’s framing of his ideas. A documentary of the same name later brought it to a wider audience.
Sources
- DMT: The Spirit Molecule (Strassman, Park Street Press, 2000), Open Library record
- Rick Strassman: The Spirit Molecule book page
- Dean et al., 2019, Scientific Reports: DMT in mammalian brain
- Psychedelic Medicine Podcast, 3 January 2024: exploring endogenous DMT with Rick Strassman
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