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What is vitamin K?

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Vitamin K is actually a group of compounds. The most important of these compounds appears to be 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.

From: Vitamin K WebMD Medical Reference

SOURCES: Longe, J., ed. , second edition, 2004. Natural Standard Patient Monograph: "Vitamin K." Office of Dietary Supplements: "Important information to know when you are taking Coumadin and Vitamin K." Vermeer, C. 2000. National Academies Press: "Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc," 2002. Shiraki, M. 2000. Cockayne, S. 2006. Tamura, T. 2007.







The Gale Encyclopedia of Alternative MedicineHematology/Oncology Clinics of North America,Journal of Bone and Mineral Research,Archives of Internal Medicine,Archives of Internal Medicine,

Reviewed by Melinda Ratini on March 4, 2018

SOURCES: Longe, J., ed. , second edition, 2004. Natural Standard Patient Monograph: "Vitamin K." Office of Dietary Supplements: "Important information to know when you are taking Coumadin and Vitamin K." Vermeer, C. 2000. National Academies Press: "Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc," 2002. Shiraki, M. 2000. Cockayne, S. 2006. Tamura, T. 2007.







The Gale Encyclopedia of Alternative MedicineHematology/Oncology Clinics of North America,Journal of Bone and Mineral Research,Archives of Internal Medicine,Archives of Internal Medicine,

Reviewed by Melinda Ratini on March 4, 2018

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Why do people take vitamin K?

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