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How do calcium supplements affect my blood pressure?

Dr. Michael Roizen, MD
Internal Medicine
Three recent studies show that men taking 1,000 milligrams (mg) or more of calcium a day had a 12 percent or greater reduction in blood pressure. This evidence remains controversial, as some studies have reported no such decrease in blood pressure (however, they were less well controlled). Although the data are still not complete on this topic, blood pressure reduction may be just one added benefit of taking calcium, which is something you should be doing anyway. Another side note for people with high blood pressure: A common treatment for high blood pressure is the administration of calcium channel blocking drugs. These drugs have nothing to do with calcium supplements, so don't be concerned. Go ahead and take calcium supplements.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.