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 ...

Since vitamin D accumulates in the body, taking a high-dose supplement may lead to vitamin D toxicity. This causes nausea, vomiting, and weakness.

Excessive vitamin D supplementation can lead to serious health issues, including digestive problems, dangerously high calcium ...

Researchers from the University of Surrey in the UK found that taking vitamin D2 can cause reduced levels of vitamin D3 in ...

BARCELONA, Spain — The addition of high-dose vitamin D supplementation to standard chemotherapy plus bevacizumab did not result in a significant progression-free survival benefit in patients with ...

We've assessed vitamin D supplements from brands including BetterYou, Boots, Holland & Barrett, Vitabiotics and more to ...

Vitamin D levels in patients with a deficiency and cystic fibrosis increased with a single high dose, or stoss therapy, according to a poster presented at the North American Cystic Fibrosis Conference ...

“However, we discovered that vitamin D2 supplements can actually decrease levels of vitamin D3 in the body, which is a ...

Vitamin D3 (cholecalciferol) is a form of vitamin D naturally found in some foods and available as a supplement. Your body also creates vitamin D when your skin is exposed to natural sunlight. Vitamin ...

Study title: SOLARIS (Alliance A021703): A multicenter double-blind phase III randomized clinical trial of vitamin D combined with standard chemotherapy plus bevacizumab in patients with previously ...