Are you sunburned? Try some vitamin D to soothe your skin
Published : 08 Jul 2017, 15:30
If you are experiencing pain from sunburn, you may want to reach for some vitamin D to soothe your discomfort, according to a recent study.
High doses of vitamin D taken one hour after sunburn significantly reduce skin redness, swelling, and inflammation, according to double-blinded, placebo-controlled clinical trial out of Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Centre.
In the study, 20 participants were randomised to receive a placebo pill or 50,000, 100,000, or 200,000 IU of vitamin D one hour after small UV lamp “sunburn” on their inner arm. Researchers followed up with the participants 24, 48, 72 hours and 1 week after the experiment and collected skin biopsies for further testing.
Participants who consumed the highest doses of vitamin D had long-lasting benefits, including less skin inflammation 48 hours after the burn.
Participants with the highest blood levels of vitamin D also had less skin redness and a jump in gene activity related to skin barrier repair.
“We found benefits from vitamin D were dose-dependent,” said senior author Kurt Lu. “We hypothesize that vitamin D helps promote protective barriers in the skin by rapidly reducing inflammation. What we did not expect was that at a certain dose, vitamin D not only was capable of suppressing inflammation, it was also activating skin repair genes.”
The trial is the first to describe acute anti-inflammatory benefits from taking vitamin D. According to the authors, despite widespread attention given to vitamin D deficiency, “there is a lack of evidence demonstrating that intervention with vitamin D is capable of resolving acute inflammation.”
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