Metanoia Press · In preparation
Mescaline is the psychedelic in the cactus, and its use reaches back thousands of years, making it arguably the oldest documented psychedelic in continuous ceremonial use. It is also the one where the science cannot be told apart from the ethics: peyote is a slow-growing, threatened plant, sacred to Native American communities, and protected by hard-won religious rights. Our forthcoming book treats that not as a caveat but as the center of the story.
What the Book Will Cover
Mescaline as a phenethylamine — a different chemical class from the tryptamines, reaching the same 5-HT2A doorway by another road.
Peyote of the southern deserts and the fast-growing San Pedro of the Andes — and why the difference matters enormously.
Ancient ceremonial use and the Native American Church — living practice, not history.
Why the whole-versus-synthetic debate here is political, not just pharmacological — and where we stand.
Mescaline is a phenethylamine and an agonist at the 5-HT2A–2C receptors, producing effects in the same family as LSD and psilocybin but with a slower, longer arc. It was studied in Western psychiatry in the early 20th century before LSD eclipsed it. The modern human evidence is mostly observational surveys reporting wellbeing benefits — interesting, but a long way from controlled proof.
Here the whole-versus-isolated question we ask across the family becomes an ethical one. Peyote (Lophophora williamsii) is listed as vulnerable, grows extremely slowly, and has been over-harvested toward local extinction; in the United States it is legally reserved for members of the Native American Church. Many Indigenous representatives oppose both recreational decriminalization of peyote and the extraction of synthetic mescaline — a matter of sovereignty over a sacred plant.
Reliability: receptor pharmacology is well established (strong); human benefit data is observational (limited). Full sources will accompany the finished book.