According to the National Institutes of Health (NIH), the recommended intake of vitamin D for healthy adults is 600 to 800 IU ...

When it comes to the sunshine vitamin, most of us could use a boost. The variations of vitamin D are all essential nutrients for our bodies, but you may find yourself asking: what’s the difference ...

Scientists compared vitamin D2 and D3 supplements in new studies. Results show D3 may boost immunity more than D2.

Medically reviewed by Alex Yampolsky, PharmD Vitamin D2 is plant-based; vitamin D3 comes from sunlight and animal products.Vitamin D3 may be more effective than D2 at raising vitamin D levels and ...

Vitamin D2 and D3 are the two main forms of vitamin D. Vitamin D2 is present in plants and yeast, while D3 comes from animal sources. Vitamin D is essential for a range of bodily functions such as ...

Note: The U.S. Food and Drug Administration (FDA) does not approve supplements for safety or effectiveness. Talk to a healthcare professional about whether a supplement is the right fit for your ...