Absorption of Calcium as the Carbonate and Citrate Salts, with Some Observations on Method

  title={Absorption of Calcium as the Carbonate and Citrate Salts, with Some Observations on Method},
  author={Robert P. Heaney and Mary Susan Dowell and M. Janet Barger-Lux},
  journal={Osteoporosis International},
Calcium supplement use has increased and there is confusion about the relative absorbability of various sources. Absorbability of calcium from the carbonate and citrate salts was compared at 300 mg and 1000 mg calcium loads, ingested as part of a light breakfast meal. Absorption was measured at the high load both by tracer appearance in serum and by the absorptive increment in urinary calcium, and at the low load by the tracer method only. Subjects were 37 healthy adult men and women, studied… CONTINUE READING


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