LSD

Lysergic acid diethylamide, LSD-25, LSD, formerly lysergide, commonly known as acid, is a semisynthetic psychedelic drug of the ergoline family. LSD is non-addictive, non-toxic, and is well known for its psychological effects which can include closed and open eye visuals, a sense of time distortion, ego death and profoundcognitive shifts, as well as for its key role in 1960's counterculture. It is used mainly by psychonauts as an entheogen and in psychedelic therapy.