Vitamin D and vitamin K are frequently paired in supplements due to potential synergistic effects, though taking them ...

Vitamin D is a fat-soluble vitamin and supplement that supports bone health and the immune system. Supplements like magnesium or calcium shouldn't be taken with it.

Vitamin K is a fat-soluble nutrient found in a variety of foods and supplements. While rare, it’s possible to develop vitamin K deficiency bleeding if your body doesn’t get enough of this important ...

"Dear Barbara, I read your column on vitamin K. I am a 75-year-old woman who takes warfarin daily because of an arterial clot. I have been told not to take vitamin K. Here is my question: Can I take ...

As a dietitian, I’ve seen how easily vitamin K deficiency can go unnoticed. This essential nutrient often takes a backseat to more popular vitamins like C and D, but its role in your health is just as ...

This guide to vitamins is compiled from charts courtesy of Medline Plus and FamilyDoctor.org. Doses aren’t included because they differ for people older than 50, children and women who are ...

DEAR DR. ROACH: My blood work showed that I was slightly low in vitamin D, so my doctor recommended that I take a supplement. My pharmacist was concerned and told me that vitamin D does not get ...

Many parents know vitamins are important for kids, but many may not know about one of the lesser-known vitamins – Vitamin K – and how vital it is for newborns. Vitamin K is an essential nutrient for ...

You probably know that vitamin C supports your immune system while vitamin D helps strengthen your bones, but you may be scratching your head about the importance of vitamin K to your health. This ...