Straterra, What Can You Tell Me About This Med? I

Straterra, what can you tell me about this med? I know I have ADHD, diagnosed years ago, but couldnt afford the Psychiatrists & meds at that time. My son, also ADHD was on Ritalin when he was small (now 40), but now on Straterra & says it helps him to focus/concentrate & not be so HYPER.