In a previous post we summarized a recent study by Song et al. that found a lower risk of breast cancer with higher vitamin D levels. Specifically, these researchers found a 6% decrease in...
GrassrootsHealth collects information about supplemental intake amounts for a number of nutrients on its health and lifestyle questionnaire. In previous blogs we showed how much supplemental vitamin C, calcium, and vitamin K2 GrassrootsHealth participants...
In a previous blog we showed how much supplemental vitamin K2 GrassrootsHealth participants report taking. In today’s blog we will investigate whether supplemental vitamin K2 intake affects vitamin D levels. Using the data provided...
GrassrootsHealth collects information about supplemental intake amounts for a number of nutrients on its health and lifestyle questionnaire. In previous blogs we showed how much supplemental vitamin C and calcium GrassrootsHealth participants report taking....
In a previous blog we showed how much supplemental calcium GrassrootsHealth participants report taking. In today’s blog we will investigate whether supplemental calcium intake affects vitamin D levels. Using the data you provided for...
In a previous post, we highlighted results from a study that looked at vitamin D levels of non-supplementing adults living in the same area in Italy and who had similar sun exposure habits. The...
GrassrootsHealth collects information about supplemental intake amounts for a number of nutrients on its health and lifestyle questionnaire. In a previous blog we showed how much supplemental vitamin C GrassrootsHealth participants report taking. In...
Studies have shown that an Omega-3 Index greater than 8% is optimal and less than 4% is deficient, particularly for cardiovascular health. Yesterday, we presented information from a GrassrootsHealth analysis on omega-3 status and...
In an earlier post we showed that 38% fewer GrassrootsHealth participants who reported taking at least 1,000 mg/day of supplemental vitamin C experienced the flu compared to those who reported no supplemental vitamin C...
In an earlier post we showed that fewer GrassrootsHealth participants who reported taking supplemental vitamin C experienced the flu compared to those who did not. Today, we’ll explore how the amount of supplemental vitamin...