Iron Metabolism

Iron metabolism is shaped by iron's status as an essential nutrient for which there is no mechanism for excreting any excesses that may accumulate in the body.

A 70 kilogram man contains about 3.7 grams of iron.

Iron is very active chemically.

For example, it

Because of this it is always found in bound form.

It therefore does not get excreted. Iron is lost from the body only by processes such as

The body's iron content is regulated by controlling absorption.

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Last modified 1/5/95