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

Vitamin A is essential for body functions, including supporting vision and the immune system. You get it as provitamin ...

While the belief that vitamin C can help prevent a cold is a myth, getting at least 200 mg of vitamin C when you are sick ...

Eighteen out of 30 studies included in a recent literature review, published in Nutrients, showed a link between serum vitamin D levels and headaches, with the strongest connection established between ...

Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

Vitamin A can increase skin cell turnover, which makes it great for treating acne and reducing fine lines.

Best Vitamin D3 + K2 Supplements: Vitamins D3 and K2 are essential for maintaining good health and should not be skipped. They are the most essential vitamins that you should be ingesting every day as ...

Kate Kelly is a Pittsburgh-based writer who specializes in health and parenting. She is passionate about empowering women with good health information. She was an editor at Parents, American Baby and ...