Initial Vitamin D Levels on the Rise

Our very first D*action test results came in just over 9 years ago, in January 2009. Over 11,500 individuals have now taken part in our “observational field trial” by sharing their vitamin D test...

Could Vitamin D Prevent a Flu Epidemic?

February 8, 2018 According to the Centers for Disease Control and Prevention (CDC) estimates, this winter’s flu season is on track to be worse than that of the 2014-2015 season when 34 million Americans...

Overcoming MS with Vitamin D

First published March 2016 Tell us a little bit about yourself: My name is Ana Claudia, and I’m 47 years old. I’m from Brazil but I have lived in the US for the past...