Calcium.
Published in the journal JAMA internal medicine in 2013:
- A recent re-analysis of the Women's Health Initiative study, on calcium and vitamin D supplementation, shows that excessively high intakes of calcium in the form of supplements can lead to hypercalcemia, which in turn can cause renal insufficiency, vascular and soft-tissue calcification, hypercalciuria, and kidney stones. Calcium supplements with or without vitamin D increased the risk of myocardial infarction by 24% and stroke by 15%.
Another report from the National institutes of health, AARP diet and health study shows that:
calcium supplement
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- High intakes of supplemental calcium from multivitamins or individual calcium supplements were associated with a significant 20% increase in CVD mortality in men. Also, a high supplemental calcium intake from individual calcium supplements was associated with a non-significant 24% increase in CVD mortality and a significant 37% augmentation in heart disease death. No association between supplemental calcium intake and CVD mortality in women or between calcium intake from foods and CVD mortality in either men or women
Studies are contradictory and need more research. In the meantime precaution should apply.
Safe alternative to calcium supplements.
- Consuming calcium-rich foods, such as low-fat dairy products, beans, green and leafy vegetables are healthier.
Approximately 43% of the US population uses dietary supplements that contain calcium.
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