A magnesium blood test measures the amount of magnesium, an important mineral, in your blood. Your body needs magnesium from ...

Medically reviewed by Gurdeep S. Sareen, PharmD Key Takeaways Magnesium may help lower blood pressure, but results are mixed. Research suggests it may benefit people with high blood pressure or a ...

Hypomagnesemia means you have a low level of magnesium in the blood. Magnesium is a mineral that is very important for health. Your body contains about 25 grams of magnesium. Most of it is in your ...

Chelsea Rae Bourgeois is a health writer and registered dietitian nutritionist with over eight years of experience in the clinical setting. Her writing covers nutrition and overall health topics, ...