PMID: 15359356Sep 11, 2004Paper

Biological effects of drinking-water mineral composition on calcium balance and bone remodeling markers

The Journal of Nutrition, Health & Aging
S RouxM C De Vernejoul

Abstract

To compare the effects of 2 drinking waters containing similar calcium (Ca) concentration in order to analyze the role of ions other than Ca on bone metabolism. These mineral drinking-waters differed by their mineral composition primarily concerning the concentration of bicarbonate (HCO3-), high in the HB, and sulfate, high in HS water. Of 60 included women, 39 completed the study. Patients were randomly assigned to an intake of 1 liter per day of mineral water HB or HS for 28 d, followed by cross-over to the alternative drinking-water for a further 28 d. At baseline and after each period of one month, Ca metabolism parameters, acid-base status, and bone remodeling markers were measured. Changes in Ca metabolism were significant in the HB group where the ionized Ca increased and the PTH decreased. Serum pH showed a similar increase whatever the used drinking water compared to baseline. In the HB group, significant increase in urine pH, and significant decrease in AT-HCO3- and NH4+ were observed. Bone resorption markers, urinary CTx/Cr, Pyr/Cr, and D-Pyr/Cr, significantly decreased in the HB group compared to baseline, and were not significantly modified in the HS group. These results showed a beneficial effect of the bicarbonat...Continue Reading

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