A blood test for vitamin D typically takes about 1–2 minutes to draw at a lab or medical office, with results usually available within 24–48 hours. This standard timeframe applies to the most common ...

It’s Wellness Wednesday, and this week’s focus is on vitamin D and its role in overall health. Many people assume they’re getting enough during the summer months, but that’s not always the case. We ...

Vitamin D levels decline from late summer to early spring. Learn when to start supplements, how to take them, and who may ...

Swiss-based Roche announced this month that it has received U.S. regulatory clearance for a less-complex vitamin D test in the United States, which the company said opens the door to more efficient ...