The study looked at vitamin D3 vs. vitamin D2 and found vitamin D2 to be less potent and actually reduced serum (total) ...

Vitamin D2 supplements may negatively impact circulating levels of vitamin D3 and negate the latter's potential benefits, ...

Vitamin D is one of the most commonly supplemented vitamins—especially in regions and during seasons with little sunlight. It ...

Though the NHS recommends all adults consider taking vitamin D throughout winter (’til about March), it turns out that not ...

Vitamin D is one of the most commonly supplemented vitamins–especially in regions and during seasons with little sunlight. It ...

New research indicates that Vitamin D2 supplementation may actually lower the body's natural Vitamin D3 levels. While both forms are used, Vitamin D3 ...

Research shows a strong connection between vitamin D levels and a reduced risk of colorectal cancer. Here's why you should use vitamin D supplements.

Vitamin D is harder to come by lately as days are darker and longer. Here are 11 foods worth trying to naturally boost your intake.

Vitamin D often gets called the “sunshine vitamin,” and for good reason — our bodies make it when our skin is exposed to sunlight. Like the sunshine itself, the “sunshine vitamin” is crucial for our ...

Many people take vitamin D supplements to stay healthy during the darker months-but new research suggests that choosing the wrong type might actually weaken your immune system. A study by scientists ...

People who take a vitamin D2 supplement may inadvertently be lowering their vitamin D3, a type of vitamin D that is most effective in helping to prevent viruses and bacteria taking hold in the body.