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.
Tag Archives: blood test
Tom Weishaar discusses the dramatic increase in vitamin D testing during the past 10-15 years.
Recently doctors at the University of East Anglia in England wrote about the different methods used to measure vitamin D.
Curious what your vitamin D level means? We’ve got it all sorted out for you.
Dr Cannell announces Carol Baggerly of Grassroots Health’s upcoming presentations around the country and answers some of our readers most common questions.