Another fatty fish that is an excellent source of vitamin D is the swordfish. The USDA lists a 100-gram serving as containing ...

Vitamin D supplements are popular for bone health and immunity. When is the best time to take vitamin D? Here's how to take ...

After being struck down by winter illness, the BBC's James Gallagher goes in search of ways to boost his immune system.

When Mayo Clinic researchers began studying vitamin D's effects on older adults' blood pressure, they didn't anticipate the ...

Is the sunshine vitamin why you can't sleep? A new study explores the link between vitamin D deficiency and poor sleep ...

Lauren Manaker, a registered dietitian nutritionist, outlined the effectiveness of D2 and D3 in food and supplements. “While ...

Vitamin D is one of the most popular dietary supplements in the United States, according to the U.S. Centers for Disease Control. When is the best time to take vitamin D supplements? Should you ...

Do lips need protection from the sun? Can a hot bath help with eczema flare-ups? Board-certified dermatologist Marnie Nussbaum joins TODAY to separate facts from fiction when it comes to taking care ...

Having healthy hair goes beyond using the right shampoo and conditioner for your type of hair. A balanced diet rich ...

Consumer Reports tested 58 dog foods from brands including Blue Buffalo, Hill’s Science Diet, and Purina for key nutrients ...

A team led by researchers at the University of Aberdeen used a new method of detecting vitamin D in human hair samples.