Iron metabolism comprising a series of processes, such as:

• Regulation of iron intestinal absorption;
• Transport of iron to cells;
• Iron storage;
• Incorporation of iron in the proteins;
• Iron recycling after degradation of erythrocytes.

In general, iron’s absorption is controlled at intestinal level.

In the process of iron metabolism there is an average loss of 1-2 mg a day that It should be recovered through foods.