One pill of this instantly cured several years of severe cardiomyopathic heart pains of my near-60 Mom. I learned about Copper from this article: http://www.functionalmedicineuniversity.com/public/Congestive-Heart-Failure.cfm and searched for the best copper supplement on the market. This is definitely the best copper supplement on the entire Internet. Everything else had unwanted materials in it, and reading the description for Nutrabio's copper reaffirms this.
I would recommend this product to my friends