Medically reviewed by Melissa Nieves, LND Key Takeaways Vitamin D3 maintains higher and more stable blood levels than vitamin ...

Medically reviewed by Jonathan Purtell, RDN Key Takeaways Vitamin D is involved in many bodily functions and plays a vital ...

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 ...

Vitamin D3 and vitamin K2 work together to support bone strength, improve calcium use, and help maintain healthy bone density.

"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 D3 (cholecalciferol) is superior to vitamin D2 (ergocalciferol) when it comes to health effects and should be the favoured form for fortified foods and supplements say researchers from the ...

Discover the benefits of each and whether you should take one over the other. There are few nutrients that've been more in the spotlight than vitamin D. Also called the “sunshine vitamin” (since our ...