A new meta-analysis is challenging long-standing assumptions about vitamin D supplements. New research from researchers at ...

"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 ...

When shopping for supplements, you should know the difference between vitamin D vs. D3. Here, experts break it all down, ...

Vitamin D supplements come in two main types: D2 and D3, and a new meta-analysis finds that taking D2 often lowers blood levels of D3. The researchers pooled data from randomized controlled trials 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 ...

Plus, who might need it and how to get enough.

Vitamin D refers to a family of compounds, with D2 and D3 being the most common in supplements. Both forms can raise blood vitamin D levels, but multiple studies suggest D3 may be more effective, and ...

There are two types of vitamin D supplements available for over-the-counter purchase (vitamin D2 and vitamin D3). Vitamin D3 is the type that most experts believe should be utilized in clinical ...

Taking vitamin D2 might lower the body's levels of the more efficient form of vitamin D, vitamin D3, according to new research from the University of Surrey, John Innes Centre and Quadram Institute ...

New research suggests that vitamin D may be helpful for inflammatory bowel disease. Discover the potential link between ...