December 26, 2008
Calcium, is one of the minerals that hold an important role in various processes that occur in the body. Mineral is useful to form and maintain bones and teeth to stay healthy, prevent osteoporosis, helps the process of blood coagulation and wound healing, to bring the signal in the nerve cells, regulating muscle contraction, helping through the membrane ion transport, and as an important component in the production hormone and enzyme.

Calcium needs vary for each age. Differences can be seen from the list below:

1. Baby 300 - 400 mg
2. Children 500 mg
3. Adolescents 600 - 700 mg
4. Adult 500 - 800 mg
5. Pregnant women and breastfeeding 900 - 1200 mg

Lack of calcium can cause growth disturbances, fragile bones, and muscle cramps. In addition, the easy going channel urine infection. The low calcium content also affect the absorption of other minerals such as Fe, Zn, and Mg.

Best source of calcium is from food daily. Food such as green vegetables (eg, spinach, cassava leaves, broccoli, mustard greens), fish teri, dried shrimp, know, nuts, salmon, sardine, and milk.