I've been working with Niacinimide for some yrs and lately a bit neglectful but back on the wagon...and working with a dose of Niacin (flush type) here and there. Here is some good info and also Dr. Kaufman's info on Niacinimide.

http://doctorvolpe.com/add-adhd/vitamin-b3/



http://www.doctoryourself.com/JOM1.html