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Calcium Absorption in Infants and Small Children: Methods of Determination and Recent Findings

Department of Agriculture, Agricultural Research Service, Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, Texas 77030, USA
Nutrients 2010, 2(4), 474-480;
Received: 4 February 2010 / Revised: 22 March 2010 / Accepted: 2 April 2010 / Published: 6 April 2010
(This article belongs to the Special Issue Dietary Calcium)
PDF [359 KB, uploaded 6 April 2010]


Determining calcium bioavailability is important in establishing dietary calcium requirements. In infants and small children, previously conducted mass balance studies have largely been replaced by stable isotope-based studies. The ability to assess calcium absorption using a relatively short 24-hour urine collection without the need for multiple blood samples or fecal collections is a major advantage to this technique. The results of these studies have demonstrated relatively small differences in calcium absorption efficiency between human milk and currently available cow milk-based infant formulas. In older children with a calcium intake typical of Western diets, calcium absorption is adequate to meet bone mineral accretion requirements. View Full-Text
Keywords: calcium absorption; infant nutrition; bone mineral content calcium absorption; infant nutrition; bone mineral content

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Abrams, S.A. Calcium Absorption in Infants and Small Children: Methods of Determination and Recent Findings. Nutrients 2010, 2, 474-480.

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