Yeah, I can definitely tell a difference when I take it with food, almost like it has a steadier release. It may seem crazy, but I can tell a difference depending on what I eat with it.
I made the mistake of taking it with orange juice for awhile, which your not supposed to do, and it seemed to have a negative affect on how effective adderall is.
You should consider taking omega supplements with your adderall. That stuff makes me even more attentive