Dr Sam Bailey giving this presentation.https://www.youtube.com/watch?v=oFM-EeczeaEMy previous thread on NAC.https://talk.newagtalk.com/forums/thread-view.asp?tid=1022070&mid=9251448#M9251448Edit: her presentation on Glutathione: https://www.youtube.com/watch?v=RJOfshxHpKM