"Magnesium is an essential mineral nutrient. This vital mineral is required by over 300 of the body's enzymes. Virtually all bio-energetic processes require magnesium. It plays an important role in bone formation, stress, exercise, depression, PMS and chronic fatigue. Magnesium supplementation is beneficial in relaxing muscles and alleviating cramps. It promotes cardiovascular health and tissue respiration and plays an important role in bone formation, stress, mood, PMS and chronic fatigue. Low