VDC test kit slider
VDC test kit slider
sperti logo 1
Text size A A A
High contrast on off

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.

I take 10,000 iu/day, for past several years. Latest lab results D2 =

Ask the Vitamin D Council

Asked by  elajouness70282600 on September 2, 2015