Just in case you have to do your doctors work. Good luck.
http://health.usnews.com/health-news/articles/2015/11/12/scientists-pinpoint-what-level-of-vitamin-d-promotes-heart-health
Researchers say they've identified the minimum level of vitamin D needed for good heart health.
Previous
research has shown that vitamin D deficiency increases the risk of
heart disease, heart attack and stroke, but the level of deficiency
associated with such risk was unclear, the researchers said.
Having
a vitamin D level anywhere above 15 nanograms per milliliter is fine
for heart health, according to a team at the Intermountain Medical
Center Heart Institute in Salt Lake City.
"Although vitamin D
levels above 30 were traditionally considered to be normal, more
recently, some researchers have proposed that anything above 15 was a
safe level. But the numbers hadn't been backed up with research until
now," lead researcher Dr. J. Brent Muhlestein, co-director of
cardiovascular research, said in an institute news release.
"Even
if any level above 15 is safe, one out of 10 people still have vitamin D
levels lower than that. This equates to a very large percentage of our
population. The best way to determine one's vitamin D level is by
getting a blood test," he added.
The study, which included
230,000 people who were followed for three years, was presented this
week at the American Heart Association's annual meeting, in Orlando,
Fla. Research presented at meetings is typically viewed as preliminary
until published in a peer-reviewed medical journal.
The body
naturally produces vitamin D when exposed to the sun. The vitamin is
also found in foods such as fish, fish liver oils, egg yolks, and some
dairy and grain products. Vitamin D supplements are another option, the
researchers said.
"This study sheds new light and direction on
which patients might best benefit from taking vitamin D supplements,"
Muhlestein said.
More information
The U.S. Office of Dietary Supplements has more about vitamin D.
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