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San Pedro Cactus

Echinopsis pachanoi

About San Pedro Cactus

Scientific NameEchinopsis pachanoi
Safety Rating N/A
Evidence LevelN/A

Scientific Summary

San Pedro Cactus (Echinopsis pachanoi) is a fast‑growing cactus plant whose stems contain the alkaloid mescaline. It is traditionally used for spiritual and therapeutic purposes, such as easing anxiety, depression, and pain, and is sometimes incorporated into guided healing practices. Because it contains mescaline, it can produce intense hallucinations, nausea, and blood‑pressure changes; it should be avoided by pregnant or nursing individuals, those with heart disease or mental health disorders, and those taking serotonergic medications, and it is best used only under professional supervision.

Source: PMC: Black Seed / Nigella, Trease & Evans Pharmacognosy 16th ed

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