Vitamin D: can an upper limit be defined?

Abstract

Vitamin D ingested in excess results in hypercalcemia, which is caused by excessive absorption of massive quantities of calcium by the intestine and enhanced bone resorption. The symptoms of this intoxication include feeding difficulties, polydypsia, polyuria, irritability, lassitude and poor weight gain. Because daily intakes of 400 IU (10 microg) of… (More)
DOI: 10.1093/jn/119.12_Suppl.1825

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