A 2020 non-fiction book by Brian Muraresku. The book investigates the use of psychedelic substances in ancient religious rituals, particularly within the Eleusinian Mysteries of ancient Greece. Muraresku argues that psychoactive compounds, possibly derived from ergot-laced wine, played a central role in the spiritual experiences of early Christians and the development of Western civilization.
there's a fantastic book on it called the immortality key that a guy has been a guest on my podcast a bunch of times Brian Mur rescue wrote
""The speaker mentions 'The Immortality Key' by Brian Muraresku in the context of ancient Greek rituals, democracy, and psychedelic trips, noting that the author has been a guest on his podcast multiple times."