i feel that taking before workout is dangerous
however some feel that it is safe and controls cortisol during a workout
i cant condone it as it ups the chance of the only side effect im worried about.....death.
in the original post of the insulin faq there is some great back and forth by some smart people that goes beyond the faq only
the link for this is
http://www.elitefitness.com/forum/showthread.php?t=156144
since you are taking it twice a day i would pay close attention to Iron master's post as they deal with alternatives to the post workout only plan
i cant remember if primal x states his views or not but he advises a pre workout regimine
also if your eating at 530 when do you go to sleep as i think this is an important issue with afternoon insulin dosing