Few, however, are aware that chocolate is a rich source of dietary copper. For various reasons, the copper content of dark chocolate is significantly greater than milk chocolate. A 3-ounce bar of dark chocolate can contain 0.75 milligrams of copper. On the other hand, a 3-ounce bar of milk chocolate can contain 0.18 milligrams of copper. In a study published in the academic journal Nutrition Research, dark chocolate candy and other chocolate products were found to be the highest contributors of daily copper intake in the American diet.
Copper is an essential mineral.
Copper is essential for the proper functioning of the body in many ways. It facilitates cardiovascular and neurological health, builds connective tissue and promotes bone development. It maintains sufficient levels of red blood cells and its antioxidant properties protect cells against free radical damage. Copper is also needed for enzymes involved in energy metabolism. Since copper is not manufactured in the body, it must be taken into the body through the diet.