Since there's no real mechanism to get rid of iron from the body, some of us end up with excess iron that can't be gotten rid of easily.
Here's a few supplements to chelate iron:
Coffee/Tea inhibit absorption of iron from food.[1]
Curcumin chelates iron [2]
IP6 chelates iron [3]
1. http://www.ajcn.org/.../37/3/416.short
2. http://www.sciencedi...891584905006970
More on curcumin here: http://gotdownsyndro...cumin-iron.html
http://www.ncbi.nlm....pubmed/15345806
3. http://www.sciencedi...300483X07008517