If your daily workouts are exhausting, you probably need more magnesium. Women who are on the pill or taking estrogen in any form would be well advised to eat more magnesium -rich foods such as un-milled grains, figs, almonds, nuts, seeds dark green vegetables and bananas. If you are an insulin-resistant diabetic, eating a magnesium-rich diet can help lower your blood pressure. Magnesium works best with vitamin A, calcium and phosphorus. Magnesium combined with calcium, can work as a natural tranquilizer. Be aware that many drugs can deplete magnesium, especially diuretics and corticosteroids.