3 December 2014 What is vitamin D dried blood spot testing? Dr. John Cannell gives a walkthrough of the new Vitamin D Council in-home vitamin D test kit and discusses the reliability of blood spot testing.Continue reading →
26 June 2013 Vitamin D testing: Then vs now Tom Weishaar discusses the dramatic increase in vitamin D testing during the past 10-15 years.Continue reading →
26 January 2013 Vitamin D blood test: Past and present debates, difficulties, and developments Recently doctors at the University of East Anglia in England wrote about the different methods used to measure vitamin D.Continue reading →
30 July 2010 I tested my vitamin D level. What do my results mean? Curious what your vitamin D level means? We’ve got it all sorted out for you.Continue reading →
15 July 2008 Newsletter: Supplementing with vitamin D Dr Cannell announces Carol Baggerly of Grassroots Health’s upcoming presentations around the country and answers some of our readers most common questions.Continue reading →
