Product Description
Quest Calcium with Vitamin D
Calcium: This mineral is well known for its essential role in the formation of bones and tooth enamel; however, it also performs many other functions. Calcium is involved in fat and protein digestion and the production of energy. It is involved in blood clotting and the transmission of nerve impulses, and it regulates the contraction and relaxation of muscles, including the heart. In addition, calcium may reduce the risk of colon cancer and suppress the growth of polyps that can lead to cancer. Vitamin D: This vitamin regulates calcium metabolism. Without vitamin D, the body cannot properly absorb calcium, and the bones and teeth become soft and poorly mineralized.
The efficacy for the use of calcium and vitamin D for the protection of bones is supported by countless studies. In a three-year, randomized, double-blind, placebo-controlled study, 800 IU daily of supplemental vitamin D was given in combination with a calcium supplement. The population group included nursing-home residents who were indoors most of the time, and thus not getting the benefir of vitamin D from sunshine. The vitamin D-calcium combination was found to significantly protect against hip fracture in these individuals.
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