Sources of vitamin D besides the sun come from our foods. Below are the best foods high ... One study found that both Vitamin D2 and D3 are as equally bioavailable in orange juice as taking ...

To make up for the lack of sunlight, certain foods can provide an extra boost of vitamin D, Laura Manaker, a South Carolina-based dietitian and nutritionist, told Fox News Digital. "Combining ...

What is vitamin D3? Your body creates this vitamin naturally when exposed to sunlight. In the winter, however, we tend to stay inside more, making it harder to get the proper amount of D3.

Most experts now believe that the only form that should be purchased is vitamin D3. Vitamin D2 is also very ... produced in the early 1920s by exposing foods to ultraviolet light (Wolpowitz ...