Simply Natural Calcium Magnesium & Zinc, 100 Capsules

What the brand says

A high absorption calcium and magnesium formula properly balanced with supportive minerals and vitamin D. Includes glutamic acid mineral digestive aid for improved absorption. Calcium is by far the most important mineral the body requires. About 99% of calcium found in the human body is located in the teeth and bones. Bones act as a storage place for calcium. Only 1% of the body's calcium circulates in the body fluids and tissues. It is essential that this trace amount be available for normal blood coagulation, for healthy cellular walls, healthy nervous system, and for every heart beat.* vitamin D is a very important addition to a calcium supplement. It improves calcium's absorption through the intestinal wall and into the bone.* Minerals are added to help calcium to absorb into the body and bones. Also, these minerals may support a diet lacking magnesium, zinc, copper and boron.*