Vitamin D
Using new technology, researchers were able to find outthe Recommended Dietary Allowance (RDA) for
vitamin D intake is estimated to be 400 International Units (IU) per day rather than 800 IU.
The amount of Vitamin D Needed May Be Less than What’s Recommended
Ref:
http://www.empr.com/news/vitamin-d3-recommended-dietary-allowance-rda-intake/article/648138/
Vitamin D