Distribution of body iron in men and women

	70 kg man	60 kg woman
Iron stores - transferrin, ferritin, hemosiderin	0.7 g	0.3 g*
Hemoglobin	2.5 g	1.9 g
Myoglobin	0.14 g	0.13 g
Heme enzymes	0.01 g	0.01 g
TOTAL	3.35 g	2.34 g

Refer to UpToDate for details.

* This value is an average. Approximately 20 percent of menstruating women have no iron stores.

Data from: Schrier SL, Scientific American Medicine, Scientific American, New York, 1995.

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