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  • With Mayo Clinic emeritus hypertension specialist

    Sheldon G. Sheps, M.D.

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Question

Vitamin D deficiency: Can it cause high blood pressure?

Can vitamin D deficiency cause high blood pressure?

Answer

from Sheldon G. Sheps, M.D.

It's long been known that getting too little vitamin D weakens bones. The role vitamin D may play in developing high blood pressure and heart disease is less clear.

Vitamin D deficiency may be linked to heart disease and a higher risk of high blood pressure (hypertension). It's too early to say whether too little vitamin D causes high blood pressure — or whether vitamin D supplements may have any role in the treatment of high blood pressure.

Still, vitamin D remains an important nutrient for overall good health. The Institute of Medicine recommends 600 international units (IU) of vitamin D a day for adults ages 19 to 70. For adults age 71 and older, the recommendation increases to 800 IU a day. Some doctors question whether these levels are adequate and think that getting more vitamin D would benefit many people. However, the Institute of Medicine recommends that adults avoid taking more than 4,000 IUs a day.

If you're concerned that you're getting too little — or too much — vitamin D, contact your doctor. He or she may recommend a blood test to check the level of vitamin D in your blood. Screening for vitamin D deficiency is important in African-Americans and other ethnic groups with dark skin, due to decreased natural production of vitamin D with sun exposure.

Next question
Omega-6 fatty acids: Can they cause heart disease?
References
  1. Ring M, et al. Arterial structure and function in mild primary hyperparathyroidism is not directly related to parathyroid hormone, calcium, or vitamin D. Plos One. 2012;7:e39519.
  2. Pilz S, et al. Vitamin D, cardiovascular disease and mortality. Clinical Endocrinology. 2011;75:575.
  3. Cohen, et al. Should we be recommending vitamin D supplementation for hypertension and cardiovascular disease prevention? The Journal of Clinical Hypertension. 2012;14:816.
  4. Wuerzner G, et al. Should hypertensive patients take vitamin D? Current Hypertension Reports. 2012;14:318.
  5. Tamez H, et al. Vitamin D and hypertension: An update and review. Current Opinion in Nephrology and Hypertension. 2012;21:492.
  6. Dietary supplement fact sheet: Vitamin D. Office of Dietary Supplements. http://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/. Accessed March 13, 2013.
  7. Dietary Reference Intakes for calcium and vitamin D. Institute of Medicine. http://www.nap.edu/catalog.php?record_id=13050. Accessed March 13, 2013.
  8. Forman JP, et al. Effect of vitamin D supplementation on blood pressure in blacks. Hypertension. 2013;61:779.
  9. Weinstock-Guttman B, et al. Vitamin D and multiple sclerosis. The Neurologist 2012;18:179.
AN01925 April 9, 2013

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