Lysergic acid diethylamide, commonly known as LSD (from German Lysergsäure-diethylamid), and known colloquially as acid or lucy is a potent psychedelic drug. Effects typically include intensified thoughts, emotions, and sensory perception.

DMT, or N,N-Dimethyltryptamine, is a potent naturally occurring psychedelic found in plants and trace amounts in the human brain. It's known for its brief but intense hallucinogenic effects, often associated with spiritual experiences, and its use carries legal and psychological risks, necessitating careful and supervised usage.

3,4-Methylenedioxymethamphetamine (MDMA), commonly known as ecstasy (tablet form), and molly or mandy (crystal form), is a potent empathogen–entactogen with stimulant and minor psychedelic properties primarily used for recreational purposes.

Mescaline or mescalin (3,4,5-trimethoxyphenethylamine) is a naturally occurring psychedelic protoalkaloid of the substituted phenethylamine class, known for its hallucinogenic effects comparable to those of LSD and psilocybin.

Ketamine HCl is an anaesthetic used in both human and veterinary medicine. It blocks nerve paths without significantly depressing respiratory and circulatory functions. In pure form it is a crystalline solid.