People who are on the lower end of normal or just below normal may benefit from taking 5,000 to 10,000 IU of vitamin D, ...

In addition, while both are easily absorbed, vitamin D3 increases and sustains serum levels much better than vitamin D2. If your serum levels are abnormal, it could indicate issues with your liver ...

These results add to the growing body of evidence supporting a role for vitamin D in the susceptibility ... VDD defined as serum or plasma 25(OH)D <50 nmol/L. †Maternal factors adjusted for ...