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. 2012 Feb;5(Suppl 1):i15–i24. doi: 10.1093/ndtplus/sfr164

Fig. 1.

Fig. 1.

Magnesium homeostasis. Panels represent the daily amount of Mg2+ intake and excretion. A daily net intake of ∼100 mg in the intestine results in a balanced 100 mg excretion in the kidney. In times of Mg2+ shortage, other tissues such as bone and muscle provide Mg2+ to restore blood Mg2+ levels. See also “Magnesium basics” in this supplement [5]. The conversion factor from milligrams to millimole is 0.04113.