What is the primary function of hepcidin in the regulation of iron metabolism in the body?

A To increase iron absorption from the gut
B To decrease iron absorption from the gut ✓
C To regulate erythropoiesis
D To inhibit the release of iron from macrophages

Explanation

Hepcidin is a hormone that regulates iron metabolism by decreasing iron absorption from the gut and inhibiting the release of iron from macrophages.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high