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Vibrant Health Vitamin D3 4000 i.u. - 100's

Vibrant Health Vitamin D3 4000 i.u. - 100's


Research over the past decade has reinforced the importance of Vitamin D in human nutrition. In the process, new roles in health maintenance related to immunity and chemoprevention have been added to the nutrient’s widely known benefits for skeletal health, and, indirectly, for tissue integrity. Vitamin D has now been shown to have a role in protecting against osteoporosis, while supporting brain and immune function.



Vitamin D3 is easily and safely held in circulation and in body tissues until it is needed. Then the kidneys convert circulating vitamin D to the hormonal form, calcitriol, or 1-25 dihydroxy vitamin D3 as needed. It is this hormonal form that, along with parathyroid hormone, stimulates retention of calcium by kidneys. Calcitriol improves the efficiency of calcium uptake from the intestines, raises circulating calcium levels, and helps drive calcium into bone. As a side benefit, parathyroid hormone secretion is lessened as circulating calcium increases. When that happens, osteoclasts, become less active. They are the cells that are directed by parathyroid hormone to tear down bone.


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ZAR335.00

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