heart disease in people taking calcium supplements. A 2010 meta-analysis revealed an approximately 30% increase in the risk of heart attack among supplement users. A cohort study conducted in South Korea even observed a nearly 90% increase in the risk of heart attack in people taking calcium without vitamin D. Vitamin D plays a crucial role in regulating calcium, and its deficiency appears to exacerbate the adverse effects of calcium supplements.
The source of calcium: a key factor
Research confirms that dietary calcium does not carry the same risks. A
