A clinical trial linking vitamin D to better breast cancer outcomes when being treated with chemotherapy is giving women ...

In a recent narrative review published in Nutrients, researchers discuss the evidence arguing for the efficiency and safety of 2000 international units (IU), i.e., 50 micrograms (µg) of vitamin D ...

Plus, how to get what you need.

Plus, who might need it and how to get enough.

In April 2026, a walk down the supplement aisle at any major pharmacy tells a striking story: vitamin D capsules containing 5,000 IU, 10,000 IU, and even 50,000 IU sit on shelves alongside ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That’s where supplements can really make a difference. But before you grab the first bottle you see, it’s ...

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 ...

Like other vitamins, vitamin D is a substance needed for health but only in tiny amounts. Unlike other vitamins, it doesn't occur naturally in many foods (except seafood, mushrooms, and egg yolks), ...

Femi Aremu, PharmD, is a Drug Information Pharmacist for Red Ventures and practiced in a COVID-19 clinic for the University of Chicago Medicine. Vitamin D3 helps your body absorb calcium, which is ...

If the winter weather has you spending less time outside in the sun's rays, these foods can give you the vitamin D you need. Arielle Burton was an associate content manager on CNET's Performance ...

A new review suggests vitamin D does far more than support bones in early life, but says the strongest non-skeletal benefits still need firmer human evidence. Vitamin D is clearly important during the ...