Interesting, because I am supposedly copper toxic due to the BC I was on for 8 years... I am glad I am going another route for a bit and replacing the Limcomin with Molydbenum... this also actually removes copper and increase sodium. If you are also copper toxic and low in sodium, maybe this will work for you? I will let you know how I do. :) I also have been given a sample to try of GH3 which rasies sodium, but I am going to try the Molydbenum first.