Certain diseases, such as multiple sclerosis (MS) and inflammatory bowel diseases (IBD), have a demonstrated link between disease risk and sun or UVB exposure, vitamin D levels, and changes in the gut microbiome. However,...
Vitamin C is an important nutrient for immune function. In an earlier post we showed that fewer GrassrootsHealth participants who reported that they usually took supplemental vitamin C experienced a cold compared to those...
A physiological function of vitamin D is to help regulate the absorption of calcium. Low calcium absorption (caused by either low calcium or vitamin D) causes parathyroid hormone (PTH) levels to rise, which increases...
Dr. Robert Heaney was the Research Director for GrassrootsHealth until his passing in 2016. During his professional years, Dr. Heaney provided nearly 50 years of advancements in our understanding of bone biology, osteoporosis, and...
Vitamin C is an important nutrient for immune function and studies have shown that taking vitamin C could reduce the risk of getting a cold. Using the data you provided for the GrassrootsHealth study,...
Lower Vitamin D Levels = Increased Health Care Costs After studying two North-East German health cohorts, which included records from over 7,000 patients, researchers concluded that there is “an influence of vitamin D deficiency...
Vitamin D supplements come in a variety of types including liquid-filled capsules, power-filled capsules, pills, and drops or sprays. In an earlier post we showed the percent of participants using each vitamin D supplement...
Last month, October, was Breast Cancer Awareness Month, although here at GrassrootsHealth Nutrient Research Institute we prefer to focus on breast cancer prevention. To help educate the public on the effects of certain nutrients...
Vitamin D supplements come in a variety of types including liquid-filled capsules, powder-filled capsules, pills, and drops or sprays. On the GrassrootsHealth health and lifestyle questionnaire, questions about which vitamin D supplements participants used...
On the GrassrootsHealth health and lifestyle questionnaire, participants were asked about any extra-large vitamin D doses in the prior 2 months starting in 2017. Participants may take these extra-large doses that replace or are...