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 ...

Too much vitamin D can lead to toxicity, also known as vitamin D hypervitaminosis. The popularity of vitamin D ...

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

"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 ...

"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 ...

Is vitamin D3 or vitamin D2 better? Known to promote the absorption of calcium, fat-soluble vitamin D also helps with bone growth and immune stability. This is why many people often incorporate ...

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

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 ...