Figure 3.

Correlation between monthly ultraviolet B radiation from the NASA's Total Ozone Mapping Program and 25-hydroxyvitamin D levels from the general UK population. The seasonal distribution of 25-hydroxyvitamin D levels is shifted approximately two to three months later than that of ultraviolet B radiation.

Disanto et al. BMC Medicine 2012 10:69   doi:10.1186/1741-7015-10-69
Download authors' original image