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 ...

"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 ...

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 ...

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 ...

Note: The U.S. Food and Drug Administration (FDA) does not approve supplements for safety or effectiveness. Talk to a healthcare professional about whether a supplement is the right fit for your ...