Vitamin D Testing

Made Easy

If you want to get a Vitamin D Blood Test you can do at home and participate in an international study, join the D*action Campaign and get your Vitamin D Blood levels tested: JoinDAction.org

Find out why optimum Vitamin D blood levels are so important.
Click Here

Vitamin D: importance in the prevention of cancers, type 1 diabetes, heart disease, and osteoporosis

Michael F Holick, Am J Clin Nutr 2004

This graph compares taking supplements to a whole-body exposure in a tanning bed. Blood levels after taking supplements follow a “spike and crash” pattern while blood levels from a tanning bed stay consistent for up to 60 hours after exposure.