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 ...

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 D3 helps your body absorb calcium, which is essential for healthy bones. Direct sunlight and foods like fatty fish and fortified dairy are good sources of Vitamin D3 A doctor can help you ...

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 ...

Research Continues to Reinforce the Importance of Consistent Vitamin D Intake for Immune Support. SYNEVIT®'s Vitamin D Supplement Addresses the Need. Vitamin D deficiency is a worldwide concern. It is ...

Yes, you can take too much vitamin D, which causes vitamin D toxicity. Signs you had too much vitamin D include vomiting, weakness, and nausea. To treat vitamin D toxicity, stop taking vitamin D ...

Everyone knows vitamin D-- it's the nutrient we get from the sun. Vitamin D is important for several bodily functions, the main ones being bone and muscle strength and immune function. Still, about 35 ...