When it comes to life iron is more precious than gold. Export occurs through ferroportin often aided by hephaestin Hp andor ceruloplasmin Cp and repressed by hepcidin. Pin On Health Normal daily loss of iron excreted through urine vaginal fluid sweat feces and tears total about 1-15 milligrams or the equivalent of what most of us require per day to function normally. . Iron is only lost with cells from the skin and the interior surfaces of the body - intestines urinary tract and airways. The mechanism of iron excretion is an unregulated process arrived at through loss in sweat menstruation shedding of hair and skin cells and rapid turnover and excretion of enterocytes. How is iron eliminated from the body. The total amount lost is estimated at 14 µgkg body weightday 7. Fe can also be excreted from the body by turnover of epithelial cells lining the intestines or from minor trauma to intestinal epithelium leading to blood l...