Popular vitamin D supplement may have an unexpected effect, experts warn

Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin ...

Popular vitamin supplement could have unwelcome health impact, researchers warn

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

Vitamin D Overdose: When Good Intentions Turn Toxic

Vitamin D is essential for calcium absorption and bone health. Studies have linked vitamin D deficiency not only to bone diseases but also to autoimmune disorders and anticancer effects in melanoma, ...
Indiatimes

Vitamin D toxicity: What causes it, health risks and how to take supplements safely?

Vitamin D is essential for health. Too much Vitamin D from supplements can cause toxicity. This leads to hypercalcemia and kidney stones. Adults need 15 to 20 mcg daily. Infants, children, and ...
NPR

Taking vitamin D is unlikely to prevent falls or fractures. Here's what it does

It's that time of year when your body produces less vitamin D. Sunshine is the main source of vitamin D, and we need it to keep our bones and muscles strong. Many people take supplements to meet the ...