Calcium

Calcium is a chemical element and a mineral that is essential to the proper functioning of the human body. Calcium is particularly important for teeth and bones, regulating muscle contractions including the heart, and helping blood to clot.

Calcium ion
The chemical symbol for the element calcium is Ca+.

Dietary sources
Sources of calcium include:
 * milk, cheese and dairy products
 * soybean drinks with added calcium
 * green, leafy vegetables
 * bread and anything made from fortified flour
 * fish bones, e.g. from sardines or pilchards

Dosage
The British National Health Service states that 700mg of calcium daily is adequate for adults aged 18-64.

Costs and availability
Calcium is found in many foods, available over the counter and for severe deficiency can be obained on perscription.

Learn more

 * Calcium-Linus Pauling Institute Micronutrient Information Center
 * Calcium Supplements: Benefits, Calcium Deficiency, Dosage and More - WebMD
 * Calcium channel blockers - drugs.com
 * Calcium - NHS
 * Calcium - PubChem
 * Calcium without dairy - Vegan Society