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.
Your body needs vitamin B12 to make red blood cells. 1  You must eat plenty of foods that contain vitamin B12, such as meat, poultry, shellfish, eggs, and dairy products.  Your body must absorb enough vitamin B12. A special protein, called intrinsic factor, helps your body do this.