The total value of world income is closing in on $70 trillion (Â£43.9tn) per year, and there are seven billion people in the world, so the average income is heading towards $10,000 (Â£6,273) per person per year. Easy.
Food sources of copper. The following foods are a good source of copper: avocados, livers, kidneys, molasses, whole grains, shellfish, oysters, nuts, fruit and legumes. Dosage. Copper appears in many good multivitamin and mineral supplements and could be taken alone up to 3 mg daily.
Copper in diet. Copper is an essential trace mineral present in all body tissues. Copper works with iron to help the body form red blood cells. It also helps keep the blood vessels, nerves, immune system, and bones healthy. Copper also aids in iron absorption. Oysters and other shellfish, whole grains, beans, nuts, potatoes, and organ meats (kidneys, liver) are good sources of copper.