Mineral level tests measure the amount of specific minerals in your blood, urine, or other bodily fluids. Minerals are essential nutrients that play vital roles in various bodily functions, including bone health, nerve function, and energy production. Common Mineral Level Tests: Calcium: Important for bone health, muscle function, and nerve signaling. Magnesium: Involved in muscle and nerve function, blood sugar control, and blood pressure regulation. Potassium: Essential for nerve and muscle function, and maintaining fluid balance. Sodium: Helps regulate fluid balance, blood pressure, and nerve and muscle function. Iron: Crucial for red blood cell production and oxygen transport. Zinc: Important for immune function, wound healing, and cell growth. Phosphorus: Works with calcium to build and maintain strong bones and teeth.