Vitamin D is a nutrient that is vital for the body along with calcium to build bones and maintain their health. Additionally, it helps support immune health and keep muscles and brain cells ...

Research shows that supplements like vitamin C, turmeric, vitamin D, calcium, and potassium—as well as high-dose vitamin A and licorice root—can harm kidneys. Learn what to avoid and why.

Supplements are part of the daily routine for over half of adults in the United States. However, they aren't regulated in ...

Experts break down new research that says vitamin D may prolong life by slowing the shortening of telomeres, protective caps on chromosomes that wear with age.

A groundbreaking study reveals that vitamin D supplementation significantly enhances chemotherapy outcomes in breast cancer patients. Discover the benefits and implications of vitamin D in cancer ...

It’s the most popular supplement on the market. But why do we need vitamin D—and why is the advice on how to get it so contradictory?

Vitamin D and arthritis Vitamin D helps your bones absorb calcium, which is vital to bone health. It’s also crucial for muscle movement, communication between nerves, and fighting inflammation.

Vitamin K is increasingly marketed with Vitamin D. But is this combination evidence-based?

Dietary supplements for diabetes are generally not recommended, but some research shows the benefits of using them to manage ...

Calcium and vitamin D are two of the most popular supplements—but are Americans getting their money's worth? Consumer Reports examines a new study's results.