Psychoactive drug
Entheogen
Shamanism
Indolamines
Indole
Tryptophan
Monoamine neurotransmitter
Catecholamine
Ethylamine
Lysergamides
Tetrahydrocannabinol
Beta-Carboline
Alkaloid
N,N-Dimethyltryptamine
Tryptamine
Substituted tryptamine
Psilocybin
Mescaline
Cannabinoid
List of psychoactive plants, fungi, and animals
List of substances used in rituals
Cannabis
Salvia divinorum
Ibogaine
Biological membrane
Cell membrane
Cannabinoid receptor type 1
Cannabinoid receptor type 2