Dietary Supplement.Most Concentrated Form of Magnesium. Just one dose carry over 120% of the Daily Value! Doctor Recommended. Sugar and Gluten Free. Symptoms of a Magnesium Deficiency. Leg Cramps. Migraines. Fatigue. Reasons for a Magnesium Deficiency. Dietary Intake - Up to 75% of Americans don't get enough magnesium in their diets. Prescription Drugs - Diuretics, cisplatin, and cyclosporine deplete magnesium. Health Conditions - Pre-diabetes, diabetes, cardiovascular disease, and high blood pressure are commonly associated with a magnesium deficiency. The Importance of Normal Magnesium Intake. Essential mineral needed by every cell in your body. Helps maintain normal muscle and nerve function. Helps keep heart rhythm steady and maintain normal blood pressure.