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iHerb Customer Reviews



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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.

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Posted by Reviewer3172923 on Aug 02, 2011

Best copper supplement on the market.

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Posted by helpingfatpeople on Dec 27, 2011

Thorne makes good products. Will buy again.

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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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