Here is my source of reading for the bio chemical cellular relations i was talking about... Please read it and reflect on it to understand what i am talking about above..
If you allready hasn't enough experience on these kind of things..
It explains alot of why's about chelating and about mercury bindings to sulphur and proteins.. Why's about why chellation and for example garlic chellation works, and why one gets fatigued and so on.. as i wrote about above...

Here it is: (The most advanced info i'we come across till now)

http://tuberose.com/Sulphur_and_Mercury.html