Vitamin D guidelines

Thanks to Nutri for the following webpage on recent guidelines by the Endocrine Society on vitamin D levels for various categories of the population.

http://www.nutri-online1.co.uk/Default.aspx?tabid=1637

And here is an excellent resource from the National Institutes of Health.

http://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/