... the tea, which contains a drug barred by the Controlled Substances Act. Shouldn't the article identify this drug? I looked it up. It's N,N-dimethyltryptamine (DMT).
Hoasca tea, used in some religious ceremonies, is brewed from plants found only in the Amazon River Basin.
Ditto for the plant. Looks like there are actually multiple plants added to the brew and it's not the same in all areas. Here's an article.
Some friends of mine traveled to Peru in order to partake of this shamanic experience in the deep rain forest. It is not something that will catch on in this country since it requires long fasting and makes you deathly ill for a lengthy period before any hallucinogenic effects occur. However, they are lengthy and acute, including purportedly verifiable OOBE remote viewing.