. Author manuscript; available in PMC: 2016 Mar 21.

Published in final edited form as: Nat Rev Immunol. 2015 Jul 10;15(8):500–510. doi: 10.1038/nri3863

Table 2.

Iron distribution in adult humans

Compartment	Major iron-containing protein	Iron content
Erythrocytes	Haemoglobin	1,500–2,500 mg
Storage (hepatocytes and macrophages)	Ferritin	200–1,200 mg
Plasma	Transferrin	3–4 mg
Other tissues	Myoglobin (muscle) and many others	200 mg