Problems

Candida:

If yeast, aka candida, tries to take over, which is common, and can be a side effect of taking DMSA in particular, but also ALA, go here:
http://onibasu.com/archives/am/44588.html

Diet:

If high sulfur (thiol) foods become a problem:
http://www.livingnetwork.co.za/chelationnetwork/food/high-sulfur-sulphur-food-list/ 

Sulfur/CBS Gene/Ammonia:
http://metabolichealing.com/metabolic-gateways-cbs-gene-mutations-glutathione/

Depression:

5 types of depression and how to remedy:
http://www.livingnetwork.co.za/chelationnetwork/depression/

Liver Phases of Detox:

http://balancedconcepts.net/liver_phases_detox_paths.pdf