In this blog series we are taking a look at the characteristics of the over 13,000 GrassrootsHealth participants worldwide. In earlier posts we showed the demographics, BMI and physical activity, and smoking and alcohol...
For our final post of the series on Cold and Flu Season is Approaching, we will be focusing on what else, besides vitamin D, might help decrease the risk of getting a cold or...
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....
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...
In a previous post, we discussed several different forms of magnesium found in supplements, and which were the most popular among GrassrootsHealth participants. Each form consists of a magnesium molecule or ion attached to...
Omega-3 fatty acids are a healthy type of fat that comes in multiple forms. Long-chain omega-3s, primarily EPA and DHA which are found in fish and shellfish, have been linked to numerous health benefits....
Major Depressive Disorder (MDD) is a serious mental health issue that affects an estimated 7% of American adults every year, and it is a leading cause of disability world-wide. Previously, we have discussed the...
Most of the vitamin D we have in our bodies is in the form of vitamin D3, which is synthesized in the skin upon exposure to sunlight and other forms of UVB radiation. Additional...
Two different research groups conclude the US RDA is off by an order of magnitude GrassrootsHealth scientists and staff have published a research letter, citing the D*action data, calling for the Institute of Medicine...