London: Vitamin D supplements could be as effective as some of the prescribed pill, when it comes to lowering blood pressure in patients diagnosed with hypertension, researchers say.Vitamin D deficiency has been associated with high blood pressure, but until now there has been little scientific evidence that topping up levels of the vitamin in the blood makes a difference.A new study, presented at the European Society of Hypertension (ESH) meeting in London, sheds light on direct benefits from taking supplements for five months in winter.Sun exposure tops up natural levels more effectively than through diet, but northern European countries such as the UK only get sufficient levels of UV light for seven months a year.Nearly 90 per cent of the body’s supply of vitamin D comes from the action of sunlight on the skin.Researchers examined patients visiting the Holstebro Hospital in Denmark, which is at the 56th Northern latitude - about the same latitude as Glasgow and Moscow).Altogether 112 patients taking part had their initial levels of vitamin D measured, and then they were given either Vitamin D or a placebo (dummy pill) for 20 weeks. 92 of the 112 patients were found to have low levels of vitamin D at the start of the study, the Daily Mail reported.
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