Absorbability and Cost Effectiveness in Calcium Supplementation
Robert P. Heaney, MD,
M. Susan Dowell, PhD,
June Bierman, BSMT,
Cecilia A. Hale, PhD and
Adrianne Bendich, PhD
Creighton University, Osteoporosis Research Center, Omaha, Nebraska (R.P.H., M.S.D., J.B.), GlaxoSmithKline, Parsippany, New Jersey (C.A.H., A.B.)
Creighton University, Osteoporosis Research Center, GlaxoSmithKline, Parsippany, New Jersey (C.A.H., A.B.)

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Fig. 1. Time course of the total serum calcium, both as absolute values (A) and as increment above baseline (B), for the three calcium sources and for the blank load. Error bars are 1 SEM. (Copyright Robert P. Heaney, 2000. Used with permission.)
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Fig. 2. Time course of the ionized serum calcium increment above baseline for the three calcium sources and for the blank load, both as absolute values (A) and as increment above baseline (B), for the three calcium sources and for the blank load. Error bars are 1 SEM. (Copyright Robert P. Heaney, 2000. Used with permission.)
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Fig. 3. Time course of serum iPTH following ingestion of the three calcium sources and for the blank load, both as absolute values (A) and as fractional values relative to baseline (B). Error bars are 1 SEM. (Copyright Robert P. Heaney, 2000. Used with permission.)
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Fig. 4. Time course of serum ionized calcium expressed as a percent of total serum calcium for the three calcium sources. Error bars are 1 SEM. (Copyright Robert P. Heaney, 2000. Used with permission.)
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Copyright © 2001 by the American College of Nutrition.