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.

Hi If I'm unable to get my customary 15-20 minute sunbathe every day I take vitamin D3 supplements. For about 3 years I have been taking 1,000 iu and just recently decided to up my daily dose to 2,200iu. Is there any risk of calcification at these levels? Many thanks, Phil

Ask the Vitamin D Council

Asked by  Phillobillo on August 6, 2015