Could ADHD Symptoms Improve with Vitamin D and Magnesium?

Attention Deficit Hyperactivity Disorder (ADHD) is now said to affect almost 1 out of every 10 children in the United States, according to the CDC. Its main symptoms include inattention, hyperactivity, and impulsivity. On...

Updated analysis on dose response between fish oil and krill oil supplements among GrassrootsHealth participants

Last year, GrassrootsHealth published a paper that assessed the EPA+DHA intake requirement to achieve an Omega-3 Index of 8% or higher, the optimal level for health, using YOUR omega-3 data. One piece of this...

As Children and Teens Age, Vitamin D Levels Decrease

Our last post covered a story about one of our employees whose 12 year old son recently had a vitamin D level of 18 ng/ml (what a surprise!); we also briefly looked at vitamin...

Test Your Children and Teens! Here’s why, with a personal story…

We love what we do at GrassrootsHealth. Our passion about nutrition and vitamin D shows in our work as well as our personal lives. Today, we would like to share a preview to a...

Updated analysis on the amount of EPA+DHA needed to achieve an Omega-3 Index of 8%

Are Digestive Problems Affecting Your Vitamin D?

For some people, swallowing a daily pill is not an option, nor is it preferred, which can result in low compliance in taking supplements. While vitamin D supplements come in several other forms, such...

Is supplemental vitamin C important for vitamin D levels?

In a previous blog we showed how much supplemental vitamin C GrassrootsHealth participants report taking. In today’s blog we will investigate whether supplemental vitamin C intake affects vitamin D levels. Using the data provided...

What if you don’t take vitamin D supplements?

In our last post, we revisited the topic of vitamin D in our food. For most people, what we eat simply does not provide us with the amount of vitamin D our bodies need....

Can we get enough vitamin D through food?

The National Institutes of Health (NIH) recommends 600 IU/day of vitamin D for anyone 1-70 years old and 800 IU/day for those over 70. However, this recommendation is based on maintaining bone health with...

Is supplemental magnesium important for vitamin D levels?

In a previous post we showed how much supplemental magnesium GrassrootsHealth participants report taking. Today we will investigate whether supplemental magnesium intake affects vitamin D levels. Using the data provided for the GrassrootsHealth study...