Iron is a vital mineral that your body needs to produce hemoglobin, the protein in red blood cells responsible for transporting oxygen throughout the body. Without enough iron, you may experience fatigue, weakness, and a decreased ability to concentrate. But how do you know when it’s time to check your iron levels? And which tests give the full picture? That’s where the Iron, TIBC, and Ferritin Panel comes in — a group of blood tests that work together to evaluate your iron status and help diagnose conditions such as iron deficiency, anemia, and iron overload. This article will explain when to consider testing, what each component measures, and what your results could mean. Why Iron Levels Matter Iron plays a crucial role in many bodily functions, including: Oxygen transport Energy production Immune system function Muscle and brain activity Too little iron can lead to iron deficiency anemia , one of the most common nutritional deficiencies worldwide. On the other hand, too m...