Magnesium, an invisible deficiency that could be harming your health - CNN.com

(Caveat they didn't mention: supplementing too much = diarrhea) Between making sure to get enough fiber in your diet and trying not skimp on iron, monitoring your magnesium intake can easily fall through the cracks. "Studies have shown that only about 25% of U.S. adults are at or above the recommended daily amount of 310 to 320 milligrams for women and 400 to 420 for men," says Fruge.

In fact, the 2005-2006 National Health and Nutrition Examination Survey (NHANES) revealed that at least half of the U.S. population had inadequate intakes of magnesium.Here's how to figure out whether or not you're getting enough of this super nutrient — and how to fix it if you're deficient.

via Magnesium, an invisible deficiency that could be harming your health - CNN.com.