Medically Reviewed by Jabeen Begum,MD on June 07, 2024 Written by R. Morgan Griffin,Alyson Powell Key5 min read What Is Vitamin K?Vitamin K plays a key role in helping the blood clot, which prevents excessive bleeding. Unlike many other vitamins, vitamin K is not typically used as a dietary supplement.Vitamin K vs. vitamin K2Vitamin K is actually a group of compounds, with the most important ones being vitamin K1 and vitamin K2. Vitamin K1 is obtained from leafy greens and some other vegetables. Vitamin K2 is a group of compounds largely obtained from meats, cheeses, and eggs and synthesized by bacteria.Vitamin K1 is the main form of vitamin K supplement available in the U.S.Vitamin K BenefitsVitamin K's key role is to help heal injuries through blood clotting and strengthen bones. Researchers suggest that this vitamin has other benefits too, such as easing morning sickness and protecting cognitive functions, including thinking, memory, learning, and organizing skills. It may also help...
