When it comes to how vitamin D supplementation affects vitamin D serum levels, it is important to recognize the wide range of serum level responses that can be produced at any specific supplementation amount....
As we saw in an earlier post, vitamin D levels vary by location among GrassrootsHealth participants. In addition to vitamin D testing, more than 1,800 participants have also measured their Omega-3 Index using the...
Our “Cold and Flu Season is Approaching” series began with an introduction to the correlations seen between cold and flu season and seasonal changes in vitamin D levels, and was followed by a post...
In our last post about cold and flu season approaching, we reviewed similarities between months with the highest flu activity and vitamin D levels in a general population, as well as the risk reduction...
More than 13,000 people worldwide have participated in the GrassrootsHealth study! In this blog series we are taking a look at the characteristics of the GrassrootsHealth participants. In earlier posts we showed the age,...
October is generally the month when we start to see an increase in cold and flu activity. What can you do, starting now, to decrease your chances of getting the cold or flu, or...
As we saw in an earlier post of this series, GrassrootsHealth participants reside in 55 countries worldwide with over 1,000 residing in Canada (the country with the largest number of participants after the United...
One of the questions we have received from our D*action participants is “Are vitamin D sprays as effective as other forms taken by mouth, such as pills and capsules?” This is a concern especially...
As we saw in earlier posts of this series, GrassrootsHealth participants reside in 55 countries worldwide and vitamin D levels vary by location. Today, we’ll look at how vitamin D supplemental intake varies by...
Did you know that one out of every seven men will get prostate cancer in their lifetime? This is much too high. Since it is prostate cancer awareness month, we wanted to take the...