As we saw in the first of this series, GrassrootsHealth participants reside in 55 countries worldwide. Today, we’ll look at how vitamin D levels vary by location. Vitamin D levels by country for GrassrootsHealth...
Key Points The GrassrootsHealth scientists’ consensus recommended range of vitamin D for general health is 40-60 ng/ml (100-150 nmol/L), based on overwhelming evidence about the association between vitamin D and many diseases; there is...
Studies have shown that low vitamin D levels are a risk factor for cardiovascular disease. Using the data you provided for the GrassrootsHealth Nutrient Research Institute study, we assessed the association between vitamin D...
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...
Researchers in Tennessee believed that vitamin D deficiency could lead to chronic ailments, which in turn increases health care costs. The Veterans Administration is interested not only in the health of their veterans, but...
Evidence shows that vitamin D levels are affected by obesity. Using the data you provided for the GrassrootsHealth study, we assessed the effect of BMI on vitamin D dose-response. We found that with increasing...
Vitamin D and omega-3 fatty acids have been shown to boost the immune system. Using the data you provided for the GrassrootsHealth study, we assessed the combined effect of vitamin D and omega-3 nutrient...
The Natural Marketing Institute (NMI) recently released its 2019 Consumer Trends Report which is a comprehensive analysis of the dietary supplement market from the consumer perspective. The report identified four important market trends for...
Vitamin D plays a significant role in bone health. In June 2019, results from a study assessing the dose-response relationship between vitamin D level and bone quality and risk of fracture-related hospitalization among 1,348...
GrassrootsHealth often highlights the importance of testing nutrient levels (especially vitamin D, omega-3s and magnesium) in order to know if supplementation is working to achieve a target nutrient level. This is due to the...