Vitamin D

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    1. Sunshine Vitamin
    2. Maximizing Your Vitamin D from Safe Sun Exposure
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    4. Vitamin D | Vitamin D Council | Providing information on Vitamin D
    5. The Truth About Vitamin D - YouTube
  2. Vitamin-D+Deficiency Website - All - News - Images - Videos - Short - Medium - Long - Books - YouTube
    1. Vitamin-D deficiency = Mg deficiency. Period. “It’s Magnesium deficiency, stupid!” - “Life depends on an energy-consuming complex interplay of organic and inorganic substances to maintain biological structures. Adequate energy and nutrient supply is a prerequisite to guarantee normal functioning of metabolic pathways and thus a healthy life. To become metabolically active, several nutrients require other essential nutrients as cofactors (emphasis added). For example, copper is required for the oxidation of absorbed Fe2+ to [become] Fe3+, which is then bound to transferrin; and riboflavin (vitamin B2) and pyridoxine (vitamin B6) are required to produce niacin (vitamin B3) from dietary tryptophan. Therefore, some nutrition-related illnesses, such as anemia and pellegra, can be caused by multiple nutrient deficits [1,2]. Magnesium (Mg) is a cofactor that is required for the binding of vitamin-D to its transport protein. Moreover, conversion of vitamin-D by hepatic 25-hydroxylation and renal 1a-hydroxylation into the active, hormonal form 1,25-dihydroxyvitamin-D (1,25(OH)2D) is Mg dependent [3,4]. (emphasis added, again!) “
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