I've come to trust Thorne products for their purity
Posted by Reviewer2025838 on Dec 07, 2010
I take additional zinc so I take this occasionally to offset any zinc/copper imbalance.
Posted by Reviewer3172923 on Aug 02, 2011
Best copper supplement on the market.
Thorne makes good products. Will buy again.
Posted by Reviewer1748513 on Jun 30, 2010
Seems like an alright product. No trouble with it and lets me choose how much copper to take.
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