Which mineral is the most abundant in the human body?

Calcium is the most abundant mineral in the human body, primarily found in the bones and teeth, which store about 99% of the body’s total calcium. This mineral plays a crucial role in maintaining bone structure and health, as well as supporting various physiological functions. It is essential for blood clotting, muscle contraction, and nerve transmission, highlighting its importance in many bodily processes.

The body requires calcium not only for skeletal integrity but also for metabolic activities. To maintain bone density and overall health, adequate calcium intake through diet or supplementation is vital, particularly during childhood, adolescence, and older adulthood when the risk of osteopenia and osteoporosis increases.

While iron, sodium, and potassium are also important minerals in the body, they do not surpass calcium in terms of abundance. Iron is crucial for oxygen transport in the blood, sodium helps regulate fluid balance, and potassium is vital for nerve function and muscle contractions. However, none of these minerals are stored in the same quantities as calcium, reinforcing why calcium is recognized as the most abundant mineral in the human body.