Milk is another drink that is often fortified with vitamin D to help us get this valuable nutrient. Like orange juice, milk is not a natural source of vitamin D, but the FDA allows manufacturers to ...
Researchers found that blood collection tubes from different manufacturers can interfere with LC-MS/MS measurement of serum 25-hydroxyvitamin D [25 (OH)D], a critical preanalytical quality control ...
Researchers from the University of Surrey in the UK found that taking vitamin D2 can cause reduced levels of vitamin D3 in ...