Amphetamine is thought to inhibit monoamine oxidase, While the power of amphetamine and its metabolites to inhibit several P450 isozymes and various enzymes hasn't been sufficiently elucidated. In vitro experiments with human microsomes show small inhibition of CYP2D6 by amphetamine and slight inhibition of CYP1A2, 2D6, and 3A4 by one https://adderallxr10mg08641.wikiparticularization.com/657264/facts_about_xr_adderall_dose_revealed