NAG - N-acetyl Glucosamine

www.vitaminconnection.com/101_txt/1413_03_NAG.html

http://groups.yahoo.com/group/abmd/message/13436

http://www.iherb.com

http://groups.yahoo.com/group/abmd/message/15908

http://groups.yahoo.com/group/DrAmysKids/message/13389