A daily dose of sunshine via Vitamin D pills keeps coughs and colds at bay, according to new research.
Lead researcher Professor Adrian Martineau from Queen Mary University London said: ‘This major collaborative research effort has yielded the first definitive evidence that vitamin D really does protect against respiratory infections.
‘Our analysis of pooled raw data from each of the 10,933 trial participants allowed us to address the thorny question of why vitamin D ‘worked’ in some trials, but not in others.
‘The bottom line is that the protective effects of vitamin D supplementation are strongest in those who have the lowest vitamin D levels, and when supplementation is given daily or weekly rather than in more widely spaced doses.
‘Vitamin D fortification of foods provides a steady, low-level intake of vitamin D that has virtually eliminated profound vitamin D deficiency in several countries.
‘By demonstrating this new benefit of vitamin D, our study strengthens the case for introducing food fortificatio