Natural Calm Plus Calcium is formulated to prevent a surplus of calcium robbing the bodys vital magnesium supply and to avoid the symptoms associated with depleted levels of magnesium. This premium formulationincludes vitamin D, boron and vitamin C to facilitate the assimilation, distribution and utilization of calcium. Natural Calm Plus Calcium is excellent for athletes and anyone who works out. It assists in preventing muscle cramping and helps reduce lactic acid. Premium Balanced Magnesium-Calcium Drink,Dietary Supplement. 63416SKU 875534000938