I pretty much listened to these tutorials to and from work for a month straight. I find it to be very informative on the subject of lucid dream supplements. Enjoy. peace :-)
http://www.youtube.com/watch?v=Pt4kX-ByQak
http://www.youtube.com/watch?v=nm0tZ3bJP6Y
http://www.youtube.com/watch?v=bdmv0y0YHMI
http://www.youtube.com/watch?v=ZOIOKYOWcjo