what blood test also checks your magnesium level
Magnesium deficiency can be associated with malnutrition, malabsorption, chronic diarrhea, and alcoholism. A Magnesium RBC test can provide an earlier indicator of Magnesium deficiency that a standard Magnesium blood test. When levels are low, the body will pull Magnesium from the cells to keep blood levels normal. In this case a Magnesium blood test may show normal levels while a Magnesium RBC test will give a more accurate result.