Vitamin D is an essential nutrient for your immune system, heart health, and more. However, most Americans don't get enough ...

Salmon is known for being a rich source of vitamin D. A 3.5-ounce serving has 400 international units (IU) of the ...

Taking a vitamin D supplement with foods rich in healthy fats, like fatty fish, avocado, and olive oil, may help your body ...

Daylight Saving Time ends this weekend, which is a clear sign that winter will be here soon. With cold and flu season in full effect, plus seasonal affective disorder rearing its ugly head, our immune ...

Menopause expert Nadia Alibhai explains why vitamin D is so crucial in midlife, and how you can make sure you're getting ...

Colino is a contributor for TIME. Colino is a contributor for TIME. Vitamin D is often called the "sunshine vitamin" because it is made by the body after the skin receives direct sun exposure. This ...

Dipa Kamdar does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Despite living in an age of abundant food options and supplements, certain vitamin and mineral deficiencies remain surprisingly common – and vitamin D is among the most widespread. Research suggests ...

Winter is magical with snow-covered grounds and holidays galore, but it’s also dreary with plenty of sunless days to contend with. That’s where a vitamin D supplement comes into play. I started taking ...

Dietary supplements enable us to meet our nutritional needs when we can’t do so through food or environment alone – but they should never be taken in excess. Prolonged use of certain supplements in ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Vitamin C and vitamin D both support immune function in ...