Psilocybin, also known as 4-phosphoryloxy-N, N-dimethyltryptamine, is a naturally occurring tryptamine alkaloid and investigational drug, found in more than 200 species of mushrooms, with hallucinogenic and serotonergic effects. From Wikipedia
Clergy described the experiences as among the most spiritually significant of their lives, with gains in well-being alongside interfaith appreciation persisting for over 16 months