Iron deficiency is the most prevalent mineral deficiency globally, affecting approximately 20% of the world's population, with even more people experiencing iron deficiency without anemia.
This deficiency impairs oxygen transport to tissues, leading to a variety of nonspecific symptoms such as fatigue, difficulty concentrating, and decreased physical performance, which might not be immediately identified as iron-related. Iron studies typically reveal low ferritin and transferrin saturation levels despite normal hemoglobin concentrations, making reduced ferritin the most reliable marker for diagnosing iron deficiency without anemia.
Iron deficiency can arise from inadequate dietary intake, increased physiological needs, poor absorption, or blood loss.
Identifying and treating the underlying causes of iron deficiency is crucial for effective management and to prevent potential long-term health consequences.
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