Information on the latest vitamin D news and research.

Find out more information on deficiency, supplementation, sun exposure, and how vitamin D relates to your health.

Order the new Vitamin D Council in-home vitamin D test kit

Finding out if you're vitamin D deficient is easy and affordable with our home testing solution! Continue reading

Vitamin D Podcast 05: Dr. David Ayoub and infantile rickets

Dr. David Ayoub joins the podcast to talk about the connection between infantile rickets and child abuse Continue reading

Researchers need your help: Can you enroll in their study?

GrassrootsHealth is enrolling people for a study to measure vitamin D status and overall health. Continue reading

Prostate cancer and vitamin D: What's the link?

One in 6 men is estimated to have prostate cancer. Might vitamin D help in the prevention and treatment? Continue reading