Vitamin D Linked To Increased Exercise Performance And Lower Risk Of Heart Disease

Posted: Nov 1 2015, 12:23pm CST | by , Updated: Nov 2 2015, 11:38pm CST, in News | Latest Science News

Vitamin D linked to lower Risk of Heart Disease
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New research finds that vitamin D supplements can improve exercise performance and lower the risk of heart disease.

We get Vitamin D through sunlight, eggs and oily fish. People who spend too little time outside might have a vitamin D shortage. There could be more than one reason to get into the habit of adding a Vitamin D supplement to your daily diet.

A preliminary study presented at the Society for Endocrinology annual conference in Edinburgh links taking vitamin D supplements to improved exercise performance and a lower risk of heart disease.

Vitamin D is both a vitamin and a hormone. It helps us to control levels of calcium and phosphate in the blood. The vitamin is essential for the formation of bones and teeth.

"Our pilot study suggests that taking vitamin D supplements can improve fitness levels and lower cardiovascular risk factors such as blood pressure", said Dr Raquel Revuelta Iniesta, co-author of the study. "Our next step is to perform a larger clinical trial for a longer period of time in both healthy individuals and large groups of athletes such as cyclists or long-distance runners".

Previous studies suggest that vitamin D can block the action of enzyme 11-βHSD1, which is needed to make the "stress hormone" cortisol.

High levels of cortisol may raise blood pressure by restricting arteries, narrowing blood vessels and stimulating the kidneys to retain water.

As Vitamin D may reduce circulating levels of cortisol, it could theoretically improve exercise performance and lower cardiovascular risk factors.

In this study, researchers from Queen Margaret University in Edinburgh gave 13 healthy adults matched by age and weight 50μg of vitamin D per day or a placebo over a period of two weeks.

Adults supplementing with vitamin D had lower blood pressure compared to those given a placebo, as well as having lower levels of the stress hormone cortisol in their urine.

A fitness test found that the group taking vitamin D could cycle 6.5km in 20 minutes, compared to just 5km at the start of the experiment.

Despite cycling 30% further in the same time, the group taking vitamin D supplements also showed lower signs of physical exertion.

This sounds promising, but consult your doctor before jumping into taking a daily dose of Vitamin D. The vitamin has been linked before in studies to increased muscle efficiency.

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<a href="/latest_stories/all/all/2" rel="author">Luigi Lugmayr</a>
Manfred "Luigi" Lugmayr () is the founding Chief Editor of I4U News and brings over 25 years experience in the technology field to the ever evolving and exciting world of gadgets, tech and online shopping. He started I4U News back in 2000 and evolved it into vibrant technology news and tech and toy shopping hub.
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