Essay on The Effect Of Vitamin D On Bone Health
One of important micronutrients for the maintenance of bone health is the vitamin D. Without enough vitamin D, bones can become weak and break, therefore the fracture risk increases. “In 2010 the Institute of Medicine (IOM) reported that, vitamin D deficiency is not a problem for the majority of Americans. The most recent NHANES (National Health and Nutrition Examination Survey) data on vitamin D status in the U.S. population published by the National Center for Health Statistics (NCHS) indicates that, based on IOM definitions of adequacy, two-thirds of the U.S. population had sufficient vitamin D, about one-quarter was at risk of vitamin D inadequacy and another 8% was at risk of vitamin D deficiency”(3,4). Adequate levels of Vitamin D have an important effect on bone mass in young and old people. Vitamin D deficiency can be an important risk factor for bone density decrease. An adequate vitamin D level has been shown to prevent osteoporotic fractures (2).
Vitamin D is a fat-soluble vitamin that plays a main role in the calcium and phosphorus homeostasis.
There are two forms of vitamin D: D2 and D3. The vitamin D2 form (ergocalciferol) is found in some plants and can be chemically produced, also is used to fortify food. The vitamin D3 form (cholecalciferol) is found in humans and animals. In humans the sun or a synthetic light source is synthesized. The form available from animal foods such as fatty fish, egg…