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- Leckstroem, Daniel, et al.
(author)
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The trials and tribulations of vitamin D : time for the ‘sunshine’ vitamin to come in out of the cold – or just more broken promises?
- 2014
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In: Expert review of Endocrinology & Metabolism. - : Informa Healthcare. - 1744-6651 .- 1744-8417. ; 9:4, s. 327-344
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Journal article (peer-reviewed)abstract
- We are presently faced with the competing notions of modern life being a ‘state of vitamin D depletion’, implying a widespread need to supplement with vitamin D, or, the opposite view, which is that the present evidence can only support at best selective targeted vitamin D intervention. This is important as there is evidence that over the last 40–50 years there were downwards global trends in serum 25(OH)D concentrations, while individual consumption of vitamin D as supplements rose. For this reason and many others, a large population-based interventional study, the VITAL trial, was designed to try to establish the health value of vitamin D supplementation. VITAL is a huge primary prevention trial looking at the effects of vitamin D repletion in preventing cancer and cardiovascular disease in a fundamentally healthy population. This may seem an unusual approach given that what we mostly know about vitamin D is that is has some effects on the skeleton. This review looks to explore current knowledge about vitamin D in health and disease, and at how this is now undergoing significant reappraisal and revision. We will carefully critique the VITAL study design to see if it will allow for the construction of the detailed portfolio of clinical evidence so urgently needed to allow us better to understand role of vitamin D supplementation in health and disease.
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