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Vitamin D has been linked to ill health but few studies have accounted for additional factors that may influence vitamin D status (i.e. seasonal changes and age).

 

A new observational study has assessed vitamin D and health in 1471 older women (average age 74yr). It was found that, after adjusting for age and seasonal variation, low blood levels of vitamin D (defined as 25(OH)D <50nmol/l) were not associated with an increased risk of adverse health outcomes, such as stroke, CV disease or fractures. This contradicts previous reviews which have found correlations between a low vitamin D status and increased risk of disease. Clearly more research is needed to establish the role of vitamin D in maintaining health in later life.

 

For more information see: Bolland MJ et al. (2010) American Journal of Clinical Nutrition. Vol.91: pg 82-89.