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IOM committee integration of optimal bone health outcomes (y-axis) and achieved serum 250HD levels (x-axis) revealing congruence of benefit between 16 and 20 ng/ml. BMD, Bone mineral density. [Reproduced from IOM (Institute of Medicine): Dietary reference intakes for calcium and vitamin D, p 293. Washington DC: The National Academies Press 2011 (2), with permission.]
