Vitamin D administration lowers blood pressure in animal models, but findings from studies in humans are inconsistent. Vimaleswaran and colleagues used a Mendelian randomization approach to show that alleles associated with increased plasma levels of 25-hydroxyvitamin D3 are associated with a reduced risk of hypertension, suggesting a causal relationship in humans.
- Michal L. Melamed
- JoAnn E. Manson
