
Why so many of us have a magnesium deficiency
Approximately 68% of Americans aren't getting the recommended daily 310-320 mg (for women) or 400-420 mg (for men) of magnesium, a mineral that plays a role in over 300 enzymatic reactions in the body. "In general, people don't consume enough vegetables, especially green leafy ones—some of the best sources of magnesium—and consume too many processed and refined grains, which are stripped of minerals," says registered dietitian nutritionist Katie Shields. "What's more, industrial agricultural and water purification practices deplete our soil and water of naturally occurring magnesium." (Heal your whole body with Rodale's 12-day liver detox for total body health.)