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Kids and Vitamin D Deficiency. ââââââRosemont, IL, October 17, 2012 â A startling increase in the frequency of severe vitamin D deficiency is being reported in the U.S. and other countries. This severe deficiency can have a devastating impact on a childâs bone strength, the United States Bone and Joint Initiative (USBJI) says.
Deficiency Causes. Although vitamin D is a fat-soluble nutrient that your body stores in its fatty tissue, some individuals are at risk for a deficiency. For example, breastfed babies may not get enough of the nutrient and the elderly and dark-skinned individuals cannot produce vitamin D from the sun efficiently.itamin D Intake. Vitamin D doses are measured in international units, or IUs. The Food and Nutrition Board of the Institute of Medicine recommends that from birth to one year of age, babies get 400 IUs of vitamin D daily. The intake goes up to 600 IUs when children turn one year old.