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Then again, what is the absorption of the "type" of Zinc and Copper in the product by Source Naturals?
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Believe it or not I didn't realize that until now. But I have AOR Zinc and Copper balance on the shelf as well and this one always tested better for me. At some point I tested that the copper in salt form was the reason why.
Aparently in that form the body can just ignore it and pee it out...