Iron Deficiency – How to Avoid It
Sophia Williams
2026-03-21
7 min. read
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Iron is a crucial component required for the proper functioning of our body, and its deficiency occurs quite frequently when compared to deficiencies in other essential minerals. Importantly, inadequate amounts of this microelement in the diet can lead to serious health consequences, such as a decrease in hemoglobin levels and the development of iron deficiency anemia.
The physiological role and multifaceted functions of iron in the human body
Iron represents an indispensable trace element that plays a pivotal role in numerous biochemical processes occurring within the human body. As a fundamental constituent of hemoglobin, it facilitates the transport of oxygen from the lungs to all tissues while also participating in the storage of this gas in muscle myoglobin. Furthermore, it is essential for erythropoiesis—the process of red blood cell production—and contributes to DNA replication and repair through the activation of specific enzymes. Its significance extends to the modulation of immune responses, supporting defensive mechanisms against bacterial and viral pathogens. Iron is a component of various enzymes that catalyze metabolic reactions, including those involved in cholesterol metabolism and the detoxification of xenobiotics in the liver. Within the body, iron exists both in functional forms—such as hemoglobin, myoglobin, tissue enzymes, and transferrin—and in storage forms, represented by ferritin and hemosiderin, which serve as a reserve of this element for periods of increased demand.
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