Amphetamine is a racemic mixture of d-amphetamine and l-amphetamine. The d-isomer is more potent in its CNS effects and in appetite suppression. The l-isomer is more potent than the d-isomer in cardiovascular activity. Short Duration of Action 1. Mixed amphetamine salts (Adderall® and generic) This preparation contains a mixture of four different salts of amphetamine:…