
Originally Posted by
dirtball_619
im gonna tell you right now that adderall is #1 for a preworkout boost. the focus and motivation is insane and the pumps are almost scary. overtraining on this stuff is VERY easy.
but its a double edged sword, if will kill your appetite. if you have the discipline to eat and sleep on this stuff its awsome.
the scientific reason behind amphetamine(adderall) giving such insane pumps are that because your receptors are being drenched in noradrenaline its bringing all the blood from your organs into your muscle via the fight or flight mechanism.