the substance is called faster function drug (or ffd) and it makes a human react,think,process pain,and even move twice as fast ffd affects the nervous system which is important because nerves control pain and movement (if you did not know when you want to move a nerve impulse goes to the muscle that needs to move) are involved with it along with obviously the brain . ffd is currently starting to be used by the kurlandian armed forces to create soldiers who can do twice the amount of work in the same amount of time. when under the effect of ffd ,the person experiences and increase in energy and time around them being 2 times slower. mass production has begun