Dietary supplements are often marketed as tools for better health, but not all vitamins are created equal. Over the year ...

Too much vitamin D can harm your health. Know the warning signs, side effects, and safe ways to manage your vitamin D levels ...

After a man died of a Vitamin D overdose, experts are warning the public of the risks of taking the common supplement. Experts are sounding the alarm after a man recently died from a vitamin D ...

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 ...

Vitamin D deficiency can lead to osteomalacia, a rare bone disorder that causes bone pain and muscle weakness. But taking too much vitamin D can also be a major problem, resulting in similar symptoms, ...

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 ...

While most people don’t get enough vitamin D—a nutrient that’s crucial for bone and muscle health—it is possible to get too much. This can happen if you are taking multiple vitamin D-containing ...

Learn how vitamin D benefits your body, and how to know if you're getting enough of this key nutrient or if you need more from sun exposure, your diet, or supplements.

Vitamin D is essential for bone and immune health, but too much can be dangerous. Experts warn that excess supplementation can overload the kidneys and lead to serious damage.

It has been suggested that taking vitamin D may protect people from getting COVID-19. But should we be using supplements to ward off the virus? We need to separate fact from fiction. Vitamin D is ...