8 November 2012
Study finds no heart risk from calcium supplements
Researchers from Harvard Medical School have published a study that shows no evidence of a link between calcium intake and coronary artery calcification. The researchers say the findings should reassure adults who take calcium supplements for bone health that the supplements do not appear to result in the development of calcification of blood vessels.
The findings are based on 1,300 participants (both men and women) with an average age of 60. They were asked about their diet and supplement use and then underwent CT scans of their coronary arteries four years later.
The study, in the American Journal of Clinical Nutrition, found that study participants who had the highest calcium intake had the same coronary artery calcification score as those who had the lowest calcium intake.
"This study addresses a critical question about the association between calcium intake and a clinically measurable indicator of atherosclerosis in older adults," said Elizabeth (Lisa) Samelson, lead author of the study. "There was no increased risk of calcified arteries with higher amounts of calcium intake from food or supplements."
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Source: Hebrew SeniorLife Institute for Aging Research