Ferrous: Iron Replacement Therapy for Anemia Management – Evidence-Based Clinical Review

Introduction: What is Ferrous? Its Role in Modern Medicine Ferrous refers to iron in its +2 oxidation state (Fe²⁺), the bioavailable form essential for erythropoiesis and cellular metabolism. In clinical practice, ferrous compounds—primarily ferrous sulfate, ferrous gluconate, and ferrous fumarate—represent the cornerstone of oral iron replacement therapy. Let me be straight with you: we’re talking about elemental iron, the stuff that makes hemoglobin work, and without enough of it, your patients become tired, short of breath, and frankly miserable.