Magnesium (Mg)
Mineral involved in 300+ enzymatic reactions. Important for heart rhythm, muscle, nerve, and glucose metabolism.
Typical normal range
1.7–2.2 mg/dL
If high ↑
Hypermagnesemia: usually from supplements or kidney failure — muscle weakness
If low ↓
Hypomagnesemia: muscle cramps, arrhythmias, anxiety, insulin resistance
What is a normal Magnesium level?
A typical reference range is 1.7–2.2 mg/dL. Ranges vary between laboratories and can depend on age and sex, so compare your result with the range printed on your own report.
What does a high Magnesium level mean?
Hypermagnesemia: usually from supplements or kidney failure — muscle weakness. A single result rarely gives a diagnosis on its own; your doctor will interpret it alongside your symptoms and other tests.
What does a low Magnesium level mean?
Hypomagnesemia: muscle cramps, arrhythmias, anxiety, insulin resistance. Your doctor will interpret it alongside your symptoms and other tests.
About the Vitamins & Minerals
Vitamin and mineral tests look for deficiencies that can cause tiredness, anemia, weak bones or nerve problems. Many are easy to correct once found.
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Medical disclaimer: Reference ranges vary by laboratory, age, sex, and clinical context. This page is for educational purposes only and is not a diagnosis. Always discuss your results with a qualified healthcare professional.