What Is Calcium Used For?

How Does Calcium Work?

Most of the calcium in the human body is stored in the bones and the teeth. While many people think of bones and teeth as being permanent, unchanging structures, they are actually being constantly broken down and rebuilt. It is absolutely essential to keep a certain steady level of calcium in the blood. If blood calcium levels are too low, the body will break down bone and teeth to increase the blood calcium levels. If the blood levels are high, then the body uses the extra calcium to rebuild bone and teeth.
 
The important functions of calcium in the body are too numerous to list entirely in this article. Quite simply, the body cannot function without adequate amounts of calcium in the blood (which is why the body will weaken the bones if necessary to preserve the calcium levels in the blood in the case of a calcium deficiency). A few of the ways calcium might work for specific uses include:
 
  • Calcium carbonate works as an antacid by binding to hydrochloric acid in the stomach.
     
  • Calcium can bind to phosphate in the digestive system (preventing the phosphate from being absorbed), and it is sometimes used to help prevent or treat high phosphate levels in people with kidney disease.
     
  • Calcium might work to lower blood pressure by causing the kidneys to excrete more sodium through the urine. Sodium causes water retention, which can contribute to high blood pressure (hypertension).
     
  • Calcium might work for weight loss by inhibiting the formation of fatty tissue and increasing the breakdown of fatty tissue, possibly by decreasing levels of the hormone calcitriol.
     
  • Women often experience a drop in calcium levels just before their menstrual periods. This might explain how calcium may work for premenstrual syndrome (PMS) symptoms.
     
Lifestyle Changes to Help Your Bones

Calcium Supplement Information

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