Calcium and vitamin D is part of a common and important interactions with regard to bone health. Calcium is an important building block for bones, while vitamin D is necessary for calcium can be absorbed from the intestine.
In the absence of vitamin D are bone not offered a sufficient amount of calcium to maintain bone system.
In addition, vitamin D is needed to ensure normal muscle function. Lack of vitamin D can weaken the muscle power. Consequences may be that people with vitamin D deficiency easier to fall, and thereby facilitate suffers a fracture. If the bones are decalcified, no such large loads to until burst occurs. In the absence of vitamin D, you can also get body pain, cramps in the muscles or tingling and numbness in hands, arms, feet and legs and feel tired.