Amphetamine is thought to inhibit monoamine oxidase, While the ability of amphetamine and its metabolites to inhibit several P450 isozymes and other enzymes has not been adequately elucidated. In vitro experiments with human microsomes point out minor inhibition of CYP2D6 by amphetamine and slight inhibition of CYP1A2, 2D6, and 3A4 by a number of m