Why Does a Diet High in Iron Decrease the Absorption

question 142

Multiple Choice

Why does a diet high in iron decrease the absorption of copper?

• A)Copper and iron bind together to form insoluble complexes.
• B)Copper depends upon magnesium for transport and iron binds magnesium.
• C)Copper is oxidized to its less absorbable cupric form by iron.
• D)Copper and iron compete for the same transport proteins.

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