| Literature DB >> 4008614 |
Abstract
Fourteen normal subjects took 1000 mg calcium orally as calcium citrate or calcium carbonate. The amount of calcium absorbed was estimated from the rise in urinary calcium. The urinary calcium following calcium citrate load significantly higher (by 20-66%), whether expressed as the total amount or as the increment above basal (fasting) excretion. Thus, calcium citrate provides a more optimum calcium bioavailability than calcium carbonate.Entities:
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Year: 1985 PMID: 4008614 DOI: 10.1210/jcem-61-2-391
Source DB: PubMed Journal: J Clin Endocrinol Metab ISSN: 0021-972X Impact factor: 5.958