Amphetamine is known to inhibit monoamine oxidase, whereas the ability of amphetamine and its metabolites to inhibit several P450 isozymes and other enzymes hasn't been sufficiently elucidated. In vitro experiments with human microsomes point out minimal inhibition of CYP2D6 by amphetamine and slight inhibition of CYP1A2, 2D6, and 3A4 by one or mor