Clinical trial finds vitamin D does not ward off colds and flu – Medical Xpress

A QIMR Berghofer-led randomized controlled trial of vitamin D supplements has found they do not protect most people from developing colds, flus and other acute respiratory infections.
The trial, which is the largest of its kind to study the relationship between vitamin D and respiratory infection to date did show, however, that the supplements may shorten the length of infection slightly and help ease the severity of those illnesses.
The study results have been published this week in the scientific…

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