Medically reviewed by Jamie Johnson, RDN Key Takeaways How fast vitamins work depends on factors such as the type of vitamin, your health, and how consistently you take them.If you’re deficient, you ...

Vitamin K is a fat-soluble vitamin that rarely requires supplementation, except in newborns, as it is easily obtained through the diet and deficiency is rare. It's primary role in the body is to help ...

There is no specific best time of day to take vitamin K. However, taking it with a high-fat meal can help boost its absorption.

In a recent review published in Nutrients, researchers reviewed existing scientific data on the effects of vitamin K (VK) on bone health and elucidated the underlying mechanisms. Study: The Potential ...