Vitamin D plays a role in insulin function and inflammation, and low levels are common among people with prediabetes. But can ...

A new study found that vitamin D supplementation improved a key marker of biological aging—but it's probably too soon to rush ...

Experts warn that excessive vitamin D intake, often from supplements, can trigger serious kidney damage long before clear ...

There’s growing awareness of rare, but potentially serious side effects from mega doses of vitamin B6, a nutrient found in supplements and energy drinks.

I had to take antibiotics recently, and I want to help my gut microbiome recover. My doctor said instead of taking probiotics, I should eat a lot of high-fiber foods. I was surprised when she said ...

Too much vitamin D, or vitamin D toxicity, happens due to a buildup of calcium in the blood (hypercalcemia), which can be ...

For decades, we have learned that vitamin D is important, especially during these cold and dark winter months when the sun sometimes doesn’t show for days. However, doctors are now urging people to ...