Magnesium is a mineral the body needs in order to regulate blood pressure, strengthen bones, and keep the heart's rhythm steady. Magnesium needs differ based on gender, age, and whether you are pregnant. People at risk for severe magnesium deficiencies include those with kidney disease, alcoholism, Crohn's disease, and those taking certain medications for diabetes or cancer. Follow the links below to find WebMD's comprehensive coverage about how the body uses magnesium, why it is important, how you can get enough magnesium, and much more.
What Is a Magnesium Test? Why Do I Need One?
Magnesium plays a key role in health, but many people don’t have enough in their bodies. Your doctor will use a magnesium test, usually a blood test, to find out your level.
Magnesium for Health
Are you getting enough magnesium in your diet? WebMD explains the importance of this mineral to your heart and blood pressure, how much you need, and its side effects.
Heart Failure Treatment With Potassium and Magnesium Supplements
Learn how potassium and magnesium supplements are used to treat heart failure.
Vitamins and Minerals: Health Benefits and Food Sources
Learn which vitamins and minerals your body needs every day, what they do, and good food sources for them.
Slideshows & Images
Slideshow: Are You Getting Enough Magnesium for Your Health?
You need it to keep your heart healthy, bones strong, and blood sugar stable. Learn how half of us don’t get enough of this unsung mineral and where to get it.
Slideshow: 7 Missing Nutrients in Your Diet
In this slideshow, discover the seven essential nutrients most Americans lack in their diet: Calcium, potassium, magnesium, and more.