A magnesium blood test measures the amount of magnesium, an important mineral, in your blood. Your body needs magnesium from your diet to help your muscles, nerves, heart, and immune system work ...

Discover the magnesium your body needs daily for energy and muscle health. See food sources and when to consider supplements for a balanced diet.

Please provide your email address to receive an email when new articles are posted on . An analysis of participants enrolled in the Chronic Renal Insufficiency Cohort study showed those with low or ...

Abnormalities in serum magnesium levels are known to cause potentially life-threatening problems in critically ill patients. Such abnormalities have also been shown to occur with high frequency in ...

Medically reviewed by Erika Prouty, PharmD Key Takeaways Magnesium helps support energy production by activating ...