A new review from the UK suggests that sufficient blood vitamin D concentrations may decrease the risk of developing high blood pressure.
The meta-analysis included eight prospective studies investigating a potential association of 25-hydroxy-vitamin D serum levels and dietary vitamin D intake to the risk of hypertension in 283,537 healthy partici-pants for one to 14 years of age (1). The analysis showed that the participants with the highest 25(OH)D levels had a decreased risk of hypertension of up to 30% compared with people with the lowest levels. For every 10 nanograms/ml increase in vitamin D status, there was a 12% decreased risk of hypertension. No significant effect was found in studies that assessed vitamin D status using intake from dietary sources.
The researchers commented that further studies are needed to determine whether the association of vita-min D to hypertension is causal and also to determine whether vitamin D therapy may be beneficial in the prevention or the treatment of hypertension. Growing evidence points to the existence of a strong link between vitamin D and blood pressure. Several studies have observed an association between elevated levels of vitamin D, as measured by 25(OH)D, and a lower risk of hypertension (2, 3). Uncontrolled high blood pressure can lead to heart attack, stroke and even heart failure.