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 ...

Plus, how to get what you need.

"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 ...

A new meta-analysis is challenging long-standing assumptions about vitamin D supplements. New research from researchers at ...

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

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

For adults with prediabetes, reduction in the risk for diabetes is seen after supplementation with 4000 IU/day of vitamin D3.

When it comes to building strong, healthy bones, the emphasis on strength training has never been greater. Staying active is essential for bone health, but it’s important not to neglect the basics: ...

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 ...