Switching to a balanced, whole-food diet, your body will get the necessary amounts of vitamins and minerals for its vital functions. Most people in the US eat unhealthy foods, and thus lack essential nutrients.
Magnesium The Super Mineral- Since only 1% of magnesium is stored in the blood, blood test do not usually pick up on a deficiency. If you are having the symptoms of magnesium deficiency add magnesium rich foods to your diet and request a 'spectra cell test for low magnesium'.
"What are the Effects of Magnesium? While many are aware of the importance of calcium, the parallel and in some ways even more crucial role of another essential mineral — magnesium — is less widely known. As a result, adequate magnesium intake is rare, especially in the U.S."