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

We've assessed vitamin D supplements from brands including BetterYou, Boots, Holland & Barrett, Vitabiotics and more to ...

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 ...

Find out how vitamin K1 and K2 contribute to bone health and how to include them in your diet or supplement routine.

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 ...

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 ...

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 ...

Taking vitamin D supplements does not reduce the risk of asthma attacks in children or adults, according to an updated Cochrane review. These findings are in contrast to a previous Cochrane review ...

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

The search for the most effective and best prostate supplement can be a difficult one. There is a dizzying array of options available. It can be challenging to determine how to get started. On the ...