Posted by: 4pack | April 7, 2009

“Ideal Diet”: High-Fiber Diets Reduce Serum Calcium And Phosphorous Levels And Must Increase Calcium And Other Mineral Consumption

calcium-sourcesA high-fiber diet reduced urinary calcium and phosphorous levels and slightly lowered serum calcium concentrations in a trial that included 13 patients with type 2 diabetes.

“It may be prudent to ensure adequate amount of calcium and other minerals on a high-fiber diet, especially when consumed over the long term,” they wrote.

Researchers randomized patients to a high-fiber diet of 25 g of soluble fiber and 25 g of insoluble fiber, or to a moderate-fiber diet of 8 g of soluble fiber and 16 g of insoluble fiber. Mean patient age was 60, and mean BMI was 34.9.

The patients were assigned to the diets for six weeks each with a median of seven days in between.

Dietary fiber affected calcium absorption

Stool weight was about a third higher during the high-fiber diet than during the moderate-fiber diet (P=.02). Magnesium and phosphorus stool content was slightly higher during the high-fiber diet when compared with the moderate-fiber diet, according to the researchers.

Although the findings were not statistically significant, calcium absorption in the gastrointestinal tract was slightly lower with the high-fiber diet.

Reductions in urinary calcium (27%; P=.003), phosphorus (11%; P=.003) and sodium (12%; P=.02) were associated with the high-fiber diet when compared with the moderate-fiber diet. The researchers reported increased urinary excretion of oxalate (36%; P=.0006) and decreased sulfate (21%; P<.0001) for the high-fiber diet.

Urinary pH was higher (5%; P=.001) and mean fasting serum calcium level was lower (1.5%; P=.04) with the high-fiber diet.

“It may be prudent to ensure adequate amount of calcium and other minerals on a high-fiber diet, especially when consumed over the long term,” they wrote.

http://www.endocrinetoday.com/view.aspx?rid=38606

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Responses

  1. Thanks for this good informations.


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