Magnesium Cream & Essential Oils - replenish magnesium levels over night 5x faster than taking a supplement. Magnesium is required for more than 300 biochemical reactions in the body. It helps to maintain normal nerve and muscle function and regulate blood pressure. You may be deficient in Magnesium if you suffer from insomnia, restless legs, muscle cramp, joint pain and anxiety. The product is massaged into the soles of the feet and calves before bed to promote immediate relief and a natural sleep using natural ingredients.