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As high intake of vitamin D is a cause of raised calcium levels (hypercalcemia), the addition of vitamin K may be beneficial in helping to prevent vascular calcification, particularly in people with chronic kidney disease. [80] [81]
An excess of vitamin D causes abnormally high blood concentrations of calcium, which can cause overcalcification of the bones, soft tissues, heart and kidneys. In addition, hypertension can result. [2] Symptoms of vitamin D toxicity may include the following: Dehydration; Vomiting; Diarrhea; Decreased appetite; Irritability; Constipation ...
Asian immigrants living in Europe have an increased risk for vitamin D deficiency. Vitamin D insufficiency was found in 40% of non-Western immigrants in the Netherlands, and in more than 80% of Turkish and Moroccan immigrants. The Middle East, despite high rates of sun-exposure, has the highest rates of rickets worldwide. [42]
Signs of vitamin D deficiency. Fatigue. Mood changes. Muscle pain and weakness. Reduced immune function. Increased inflammation. Frequent infections. Rickets (in children)
For these kids, she would suggest either a multivitamin or a selection of supplements, such as vitamin D, Omega-3 fatty acids, or vitamin C. Vitamins that are most likely to need supplementing ...
The most specific screening test for vitamin D deficiency in otherwise healthy individuals is a serum 25(OH)D level. [11] Less common causes of osteomalacia can include hereditary deficiencies of vitamin D or phosphate (which would typically be identified in childhood) or malignancy.
Vitamin D deficiency is a pretty common problem for people year-round—and that deficit only increases in the winter. Be sure to stay on top of your doctor visits to ensure you're always getting ...
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.