I take Adderall IR I can feel the difference with it. But my similar experience was with Strattera. It takes some time to work, and I never felt a change and it was expensive for my insurance at the time. After a few weeks off of it I noticed I struggling to be on time, and maintaining good habits. It didn't feel like I was doing anything differently. But I realized in the mornings I got up and started my day doing my routine without all the pause. It wasn't that I didn't get distracted but that I got back on task quickly.