Calcium and magnesium are two macrominerals that are biologically intertwined at the cellular level — a sort of biological yin and yang, if you will. These minerals work together to promote optimal cell metabolism, and keeping them in balance helps ensure that you stay healthy. Both calcium and magnesium are considered macrominerals because the body needs more than 100 mg of each per day. While you can get these minerals from food, taking a calcium-magnesium supplement may help in certain circumstances. (more…)