How to know if you’re actually vitamin D deficient and what to do about it - Experts say that if you only take one supplement ...

Vitamin D is one of the most commonly supplemented vitamins—especially in regions and during seasons with little sunlight. It supports numerous processes in the body, including bone metabolism, the ...

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 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 ...

A global wellness expert warns that not all supplements are beneficial. From synthetic vitamins to poorly absorbed minerals, ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

"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 ...

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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 ...

Many common supplements may offer little benefit and even pose health risks, according to wellness expert Dr. Eric Berg.