Loading...
In a previous randomized trial, researchers found that calcium citrate supplementation favorably altered blood lipids in postmenopausal women (Am J Med 2002; 112:343). Furthermore, observational studies have shown that postmenopausal women who have high calcium intakes experienced fewer adverse cardiovascular events and deaths than did women with low calcium intakes. However, prospective data are lacking.
New Zealand investigators randomized 1471 postmenopausal women (mean age, 74) to daily calcium citrate (1 g) or placebo. Study participants and their family members reported adverse cardiovascular events, which were verified by medical record reviews. After 5 years, 21 women in the calcium group had experienced 24 myocardial infarctions, wh…