Dextroamphetamine versus levoamphetamine

Question from a Member: Recently a colleague had a patient on Evekeo®.  I am not sure what the advantages of such a drug may be.  It appears to be amphetamine, rather than mixed amphetamine salts. Evekeo® is the brand name for an immediate-release amphetamine product. What does it contain? Racemic amphetamine, i.e., a mixture of d-amphetamine…