Noun
psychoactivity (plural psychoactivities)
the ability for a substance to be psychoactive
In this usage, the DMT is generally considered the main psychoactive active ingredient, while the MAOI merely preserves the psychoactivity of orally ingested DMT, which would otherwise be destroyed in the gut before it could be absorbed in the body. Source: Internet
He and his colleagues later synthesized a number of compounds chemically related to the naturally occurring psilocybin, to see how structural changes would affect psychoactivity. Source: Internet
Muscimol is the agent responsible for the majority of the psychoactivity. Source: Internet