A very good pick me up. It has the focus of stimulants but without the jittery and shaky feeling that comes with it. I also have a problem with stimulants actually making me lose focus, but not with this, with this I actually want to work and am happy to do it. No crash either, you notice when its gone but you are just your normal self and some of the focus aspects carry over anyways. A great dose, but i wish it lasted a little longer sometimes.