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 ...

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 ...

Millions of Americans rely on the "sunshine vitamin" for immunity and bone strength, but missing one crucial step regarding ...

Discover the most effective ways to boost your vitamin D levels and prevent vitamin D deficiency, including safe sun exposure ...

Learn about the best time of day and way to take vitamin D, and if you should consider supplementing with this nutrient.

Below please find summaries of new articles that will be published in the next issue of Annals of Internal Medicine. The summaries are not intended to substitute for the full articles as a source of ...

Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. Adding vitamin D supplements to your diet can help ...

Vitamin D isn’t just about bone health—its other benefits include supporting your immune system, mood, metabolism, and more. Despite its incredible importance, most people still don’t get enough.

Vitamin D comes in two forms: D2 (plant-based) and D3 (sunlight and animal-based). Research suggests that D3 may be more ...

Dear Dr. Roach: I have been diagnosed with vitamin D toxicity, according to the blood work from a month ago — my result was 122 ng/mL. I was taking high doses of vitamin D3 in pill form (15,000 IU a ...

Q: I have been diagnosed with vitamin D toxicity, according to the blood work from a month ago — my result was 122 ng/mL. I was taking high doses of vitamin D3 in pill form (15,000 IU a day for three ...

DEAR DR. ROACH: I have been diagnosed with vitamin D toxicity, according to the blood work from a month ago — my result was 122 ng/mL. I was taking high doses of vitamin D3 in pill form (15,000 IU a ...