Which mineral is crucial for oxygen transport in the blood?

The mineral that is crucial for oxygen transport in the blood is iron. Iron plays a vital role in the formation of hemoglobin, the protein within red blood cells that binds to oxygen. When oxygen enters the lungs, it attaches to hemoglobin, which then carries it through the bloodstream to various tissues and organs in the body.

Without sufficient iron, the body cannot produce enough healthy red blood cells, leading to reduced oxygen transport efficiency. This is why maintaining adequate iron levels is essential for energy levels and overall health, especially for individuals who engage in rigorous physical activities or those at risk of deficiency.

Calcium primarily plays roles in bone health and muscle function; iodine is crucial for thyroid function and metabolism regulation; and zinc contributes to numerous enzymatic reactions and immune function but is not involved in oxygen transport.