You might have heard that vitamin D can be crucial for bone health, and that taking supplements may be in order if you're not ...

Medically reviewed by Ashley Baumohl, RD Vitamin D (calciferol) is a fat-soluble vitamin that helps support strong bones, ...

Vitamin D helps the body absorb calcium and maintain strong bones. With a few 10 to 15 minute sessions of sunshine UV per week, the body can produce all the vitamin D it needs. You also get vitamin D ...

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

Feb. 3, 2025 — Maternal vitamin D levels in the first trimester were related to both prenatal growth and pregnancy outcomes, according to a new study. Low vitamin D levels during the first ...

No matter what the source, though, vitamin D must be activated within the body—first through the liver, which converts vitamin D to calcidiol, and then in the kidney, which forms what's known as ...