Downside to Vit D?

From eNewsletter 10/28/2026

DID YOU KNOW that a study from Nutrition Reviews confirmed that supplementing with vitamin D2 actually reduces your available vitamin D3?

Vitamin D2 is usually what doctors prescribe for vitamin D deficiency or occasionally you may find it in a low quality dietary supplements.

While we have never recommended vitamin D2, only D3, this new research is critical for the public health health professionals because vitamin D2 and vitamin D3 are often treated as interchangeable sources of the same nutrient. Obviously, they are not. The last thing we want to do is increase one form and reduce another, especially when vitamin D3 is the most important form to utilize.

To read the rest of today's issue, please go to this page.