Medically reviewed by Allison Herries, RDN Key Takeaways Vitamin D plays a vital role in overall health. It is a fat-soluble vitamin that the body can store and access over time.Knowing how long ...

Higher doses of vitamin D3 supplementation did not significantly reduce cardiac biomarkers in older adults with low serum vitamin D levels. The STURDY trial found no significant differences in ...

There has been debate on the effects of large weekly doses of vitamin D compared to the more traditional smaller daily dose. For some people, a higher weekly dose of vitamin D could offer more ...

For patients with metastatic colorectal cancer, adding a higher dose proves just as effective as the standard dose of vitamin D3, despite one exception. In patients with metastatic (spreading) ...

A Verywell Health editor shares her experience with vitamin D deficiency and the impact that vitamin D supplements had on her physical and mental health.

A bottle of B-complex vitamin pills. Image by By Ragesoss CC BY-SA 3.0 A bottle of B-complex vitamin pills. Image by By Ragesoss CC BY-SA 3.0 Some studies have reported that taking vitamin D may help ...

A double-blind randomized phase 3 clinical trial led by Dana-Farber Cancer Institute researchers and conducted across several hundred cancer centers in the U.S. tested the addition of high-dose ...