Ill get right to the point and waiste no words. Calcium vitamin is mixed with magnesium because it helps the calcium get absorbed, more. Magnesium will also help all of the nutrition from your meals get absorbed by your body. So in order to get the same amount of nutritution when taking magnesium with a meal, a person is able to eat less and they will obviouisly get less caloric intake from the food too. Care should be taken to consume the magnesium right away after the meal and a couple cups of beverage consumed to help break it down and wash into the food in your stomach whereby it, obtains more time release features.