The Vitamin D Council summarized 21 new random controlled trials about vitamin D published in 2012 on its web site this week.

“Randomized controlled trials are considered the ‘gold standard’ of research because they can very strictly discern if an intervention (like vitamin D) has a causative effect versus just an association. And if there is an effect, what is the effect? Positive? Negative?” the Council explained on its web site.

The new RCT studies join thousands of clinical, observational and lab studies that have suggested positive effects of the sunshine vitamin. While some critics of vitamin D have suggested that more research needs to be done before people start checking their vitamin D levels, it should be noted, in comparison, that there are no random control trials showing that UV exposure in non-burning fashion is harmful, and yet dermatology has closed the books in its conclusions on UV.

To read the Vitamin D Council’s post click here.

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