Enzymes can both activate drugs, by breaking them down into their  therapeutic ingredients from more complex molecules,  and deactivate them, by breaking harmful compounds down  into harmless metabolites.
Gli enzimi possono sia attivare i farmaci, scomponendoli nei loro ingredienti terapeutici a partire da molecole più complesse, e disattivarli, scomponendo composti dannosi in metaboliti innocui.