In healthy cells, magnesium remains inside your cells while calcium remains outside. When calcium is needed for the cell to perform its function – such as firing a nerve, contracting a muscle or secreting a hormone – the channels in your cell membrane are induced to open and allow the calcium to rush into your cell.
It’s the calcium inside the cell at a certain critical level that sets off activity, sparks off whatever your cell needs to do but then the calcium needs to be removed from the cell so it can stop contracting if it’s a muscle, firing if it’s a nerve, or secreting a hormone if it’s a gland cell.
Then your cell has to relax and be ready to function again when required so the calcium is pumped out from it.
Magnesium is essential for the proper functioning of both the channels that let calcium into your cell as well as the pumps that transport calcium out again. Magnesium protects your cell from being overloaded with calcium.
Before calcium can be absorbed into your body, it needs to be accompanied by magnesium in an exact ratio of two parts calcium to one part magnesium, along with some kind of acid base to create the correct pH so that it can be absorbed and used by your body.
What is pH?