The NIH describes these forms of vitamin D: Food: The two main types of vitamin D available in food are D2 and D3. Fatty fish, such as trout and ma...

The body converts vitamin D into two forms: D2 and D3. The NIH states that the body appears to absorb the two types at the same rate. The body then...

As the NIH notes, people require different amounts of vitamin D at different ages. The recommended dietary allowances (RDAs) are as follows: 0–12 m...

Taken in appropriate doses, vitamin D is safe to take daily. A person should be careful not to exceed the daily recommended doses of vitamin D as t...

Vitamin D is best taken with meals to enhance the absorption into a person's circulation. Many brands recommend taking the supplement with meals. A...

Yes, Puritan’s Pride supplements are generally safe. They’re manufactured in the U.S. in facilities that comply with current Good Manufacturing Pra...

No, Puritan’s Pride products are not FDA-approved. However, it’s worth noting that there are no FDA-approved supplements. The only ways the FDA get...

It may come as a surprise, but even supplements aren’t safe from dangerous counterfeit copycats.Ho, H. M. K., Xiong, Z., Wong, H. Y., & Buanz, A. (...