Known for their psychoactive properties when ingested, mescaline containing cacti are used worldwide as an entheogen and supplement to various transcendence practices, including meditation, psychonautics, and psychedelic psychotherapy. Mescaline containing cacti have a long history of ritualistic and medicinal uses in the ancient world..

Mescaline

Mescaline or 3,4,5-trimethoxyphenethylamine is a naturally occurring psychedelic alkaloid, known for its hallucinogenic effects similar to those of LSD and psilocybin. It occurs naturally in the peyote cactus (Lophophora williamsii), the San Pedro cactus (Echinopsis pachanoi), the Peruvian torch (Echinopsis peruviana) and in a number of other members of the Cactaceae plant family.