Hi Freddd, I'm sure you've answered this somewhere in this b12 jungle, but I've always wondered why you or how you connected glutathione with wiping out your b12/folate levels? It seems like some can tolerate it, in fact need it, while others can't...but you seem to have an especially strong reaction. And when you talk about glutathione, are you talking about specific supplemental forms of glutathione, or the glutathione molecule itself? The reason I ask, is isn't glutathione -- in some form of another -- essential for antioxidant protection and to battle oxidative stress? How could we survive without it? Thanks Freddd, d.