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Vitamin D toxicity, or hypervitaminosis D, is the toxic state of an excess of vitamin D. The normal range for blood concentration of 25-hydroxyvitamin D in adults is 20 to 50 nanograms per milliliter (ng/mL).
Vitamin D deficiency or hypovitaminosis D is a vitamin ... There has been an association between vitamin D deficiency and women who develop pre-eclampsia in pregnancy.
This condition can be caused by vitamin D, calcium or phosphorus deficiency. [84] Vitamin D deficiency remains the main cause of rickets among young infants in most countries because breast milk is low in vitamin D, and darker skin, social customs, and climatic conditions can contribute to inadequate sun exposure.
Signs of a vitamin D deficiency. Infants and children with severe vitamin D deficiency are at risk for a condition called Rickets, says Prest. “This is where the arms and legs can become bowed ...
Because vitamin D helps regulate calcium levels in your body, hypercalcemia is a direct result of vitamin D toxicity, says Jamie Alan, Pharm.D., an associate professor in the Department of ...
Pregnant women should take prenatal vitamins containing iodine. [10] Vitamin D levels vary with exposure to sunlight. While it was assumed that supplementation was necessary only in areas of high latitudes, recent studies of Vitamin D levels throughout the United States and many other countries have shown a large number of women with low levels.
Most adults need 2.4 micrograms of vitamin B12 a day, although the numbers are slightly higher during pregnancy and breastfeeding. Causes of vitamin B12 deficiency There are a few reasons why ...
Hypervitaminosis is a condition of abnormally high storage levels of vitamins, which can lead to various symptoms as over excitement, irritability, or even toxicity. Specific medical names of the different conditions are derived from the given vitamin involved: an excess of vitamin A, for example, is called hypervitaminosis A.