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Dietary calcium reduces fat absorption by 15-19%, but calcium carbonate supplements do not
Tuesday, March 13, 2007 2:57 am Email this article
Dietary calcium from dairy products reduces fat absorption, but a supplement of calcium carbonate does not according to a new study from the University of Copenhagen in Denmark. Fat Absorption
Dietary calcium reduces fat absorption by 15-19%
People eating either a diet containing either a medium or high amount of calcium absorbed 15 to 19 percent less fat than when they ate either ate a diet containing a low amount of calcium or when they supplemented their diet with a high amount of calicum in the form of calcium carbonate.
Calcium had no effect on appetite
Calcium had no effect on appetite, sugar metabolism or secretion of gut hormones associated with appetite.
Conclusion: Dairy calcium reduces fat intake, but calcium carbonate does not
“Increased calcium intakes from dairy products attenuate [fat levels in the blood following a meal], most probably because of reduced fat absorption, whereas supplementary calcium carbonate does not exert such an effect,” the authors concluded.
“This may be due to differences in the chemical form of calcium or to cofactors in dairy products.”
Lorenzen J, Nielsen S, Holst J, Tetens I, Rehfeld J, Astrup A. Effect of dairy calcium or supplementary calcium intake on postprandial fat metabolism, appetite, and subsequent energy intake. Am J Clin Nutr. 2007 Mar, 85(3):678-87.
AUTHOR’S CONTACT INFORMATION
Department of Human Nutrition
Faculty of Life Sciences
University of Copenhagen
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