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Should hypertensive patients take vitamin D?
Gregoire Wuerzner1, Michel Burnier, Bernard Waeber
1Service of nephrology and hypertension, Lausanne University Hospital, Lausanne, Switzerland.
Current Hypertension Reports
|June 1, 2012
Summary
High vitamin D deficiency and hypertension prevalence exist. While studies show an association, current evidence is insufficient to recommend vitamin D for lowering blood pressure in hypertensive patients.
Area of Science:
- Cardiovascular Medicine
- Endocrinology
- Nutritional Science
Background:
- High prevalence of both hypertension and vitamin D deficiency globally.
- Vitamin D receptor's potential role in cardiovascular system components influencing blood pressure.
Purpose of the Study:
- To evaluate the evidence for vitamin D as a treatment for hypertension.
- To assess the link between vitamin D levels and blood pressure.
Main Methods:
- Review of cross-sectional, longitudinal, and randomized controlled trial (RCT) studies.
- Analysis of associations between vitamin D levels and hypertension.
- Assessment of RCTs testing vitamin D's blood pressure-lowering effects.
Main Results:
- Cross-sectional studies indicate an association between low vitamin D and hypertension.
- Longitudinal study evidence is less clear.
- Evidence from RCTs supporting a blood pressure-lowering effect of vitamin D is weak.
Conclusions:
- Current evidence is insufficient to recommend vitamin D supplementation for blood pressure reduction in hypertensive individuals.
- Further high-quality research is needed to clarify vitamin D's role in hypertension management.
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