A new review of studies finds that the type of vitamin D that you take matters. The study looked at vitamin D3 vs. vitamin D2 ...

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

Some good news: you will still get vitamin D by going outside on a cloudy day, the Royal Osteoporosis Society shared, though ...

Each day I look forward to receiving emails from readers and they usually fall into roughly three categories: kind words regarding a column; a question that may address a recent topic, or it could be ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The supplement aisle can be chaotic — an endless wall of brands and formulations to supposedly support ...

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

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

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When you decide to spend money on a vitamin or supplement, you want to be sure it delivers. Which is why ...

Vitamin D is an essential nutrient in the human body and plays a major role in maintaining cognitive function, immune health and bone health. Even if you are not vitamin D-deficient, you may not be ...

Taking a certain form of Vitamin D could have a negative effect, a new study suggests. Vitamin D3 (cholecalciferol) is the ...

A new study reveals that taking vitamin D2 supplements might surprisingly lower your body's crucial vitamin D3 levels, essential for immunity and bone health. Researchers suggest D3, derived from ...