You can read all about copper bisglycinate here https://www.copperbisglycinate.com/
The Mineral Optimization Protocol is the only protocol that recommends copper bisglycinate in higher doses. You can learn more here on Amazon.
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We do our best to take accurate photos, but we are not professional photographers, so there likely will be some color variance depending on your light source. It can vary from shades of blue to purplish blue.