Both of these effects increase the risk of heart disease.4,8,29,30, Eighty-four years ago, while investigating the effects of a low-fat diet fed to chickens, Danish scientist Henrik Dam discovered vitamin K. He found that the bleeding tendencies found in the chickens on that diet could be prevented when a diet with normal levels of fat was restored and vitamin K was added to their diets. Bolland MJ, Avenell A, Baron JA, et al. 5 Detrano R, Guerci AD, Carr JJ, Bild DE, Burke G, Folsom AR, Liu K, Shea S, Szklo M, Bluemke DA, et al. Newer perspectives on calcium nutrition and bone quality. Supplemental calcium promotes bone mineral density and strength and can prevent osteoporosis. Curr Nutr Rep. 2017;6(3):197-205. doi: 10.1007/s13668-017-0208-8. Calcium supplements with or without vitamin D and risk of cardiovascular events: reanalysis of the Womens Health Initiative limited access dataset and meta-analysis. For a general overview of Vitamin K, see our consumer fact sheet on Vitamin K. "Vitamin K," the generic name for a family of compounds with a common chemical structure of 2-methyl-1,4-naphthoquinone, is a fat-soluble vitamin that is naturally present in some foods and is available as a dietary supplement [1]. 2022 Aug 29;14(17):3556. doi: 10.3390/nu14173556. Newberry SJ, Chung M, Shekelle PG, Booth MS, Liu JL, Maher AR, Motala A, Cui M, Perry T, Shanman R, Balk EM. Booth SL, Al Rajabi A. Determinants of vitamin K status in humans. Vitamin K helps to activate proteins that regulate Calcium deposition in our bones, while Calcium provides the building blocks for bone tissue. Association between circulating vitamin K1 and coronary calcium progression in community-dwelling adults: the Multi-Ethnic Study of Atherosclerosis. In Framingham study research, aortic calcification was associated with double the risk of death from cardiovascular disease in men and women younger than 65, even after other risk factors (e.g., cholesterol) were taken into account. Before Effects of calcium supplementation on serum lipid concentrations in normal older women: a randomized controlled trial. Am J Clin Nutr 2000;71:1201-8. In part, osteocalcin influences bone mineralization through its ability to bind to the mineral component of bone, hydroxyapatite,14 which in turn makes the skeleton stronger and less susceptible to fracture. Vitamin K and osteoporosis: Myth or reality? National Library of Medicine [, Gundberg CM, Lian JB, Booth SL. Maintaining calcium balance: physiology and implications. Ditscheid B, Keller S, Jahreis G. Cholesterol metabolism is affected by calcium phosphate supplementation in humans. Ikeda Y, Iki M, Morita A, et al. This site needs JavaScript to work properly. Compilation of a provisional UK database for the phylloquinone (vitamin K1) content of foods. Cumming RG, Cummings SR, Nevitt MC, et al. The newly made osteocalcin, however, is inactive, and it needs vitamin K2 to become fully activated and bind calcium.15, That requirement alone makes vitamin K2 a major player in bone health, but its importance does not stop there. In men younger than 35, calcification of the aorta increased risk of sudden coronary death 7-fold. Some of these opinions may contain information about treatments or uses of drug products that have not been approved by the U.S. Food and Drug Administration. London and New York: Informa Healthcare; 2010:851-60. In contrast, therapy with very high pharmacological doses of the vitamin K2 menatetrenone has impressively been used to prevent further bone mineral loss and fracture risk in osteoporotic patients. In contrast, vitamin K2 is associated with the inhibition of arterial calcification and arterial stiffening,9,10 which means that increased vitamin K2 intake could be a means of lowering calcium-associated health risks. Nutritional intake of vitamins K1 (phylloquinone) and K2 (menaquinone) in the Netherlands. Thromb Haemost 2007). (Plaza S, Lamson D. K2 works synergistically with bisphosphonate drugs, such as Fosamax, which lessen bone loss by poisoning osteoclasts (the cells that break down old bone). Hauschka PV. Bile acid sequestrants, such as cholestyramine (Questran) and colestipol (Colestid), are used to reduce cholesterol levels by preventing reabsorption of bile acids. Subclinical vitamin K deficiency in hemodialysis patients. Vitamin K status can also be low in patients who have undergone bariatric surgery, although clinical signs may not be present [26]. Inadequate calcium intake can lead to decreased bone mineral density, which can increase the risk of bone fractures. Role of Vitamin K in coagulation Clot retraction and fibrinolysis Inflammation Alpha-thalassemia Beta-thalassemia Anemia: Clinical practice The administration of vitamin D and/or calcium along with vitamin K could partly explain why some studies have found that vitamin K supplementation improves bone health while others have not. In 2006, Cockayne and colleagues conducted a systematic review and meta-analysis of randomized controlled trials that examined the effects of vitamin K supplementation on bone mineral density and bone fracture [35]. Vitamin K: key vitamin in controlling vascular calcification in chronic kidney disease. Multivitamin/mineral supplement contribution to micronutrient intakes in the United States, 2007-2010. The Synergistic Interplay between Vitamins D and K for Bone and Vitamin K interacts with a few medications. This combination of findings lends plausibility to the idea that supplementation can increases vascular risk.28 In other words, increased levels of blood calcium have been correlated with elevated blood clotting and calcium deposition in blood vessels, which leads to arterial hardening. (Braam LA, Hoeks AP, Thromb Haemost 2004), While it is unlikely that your vitamin K levels are insufficient to meet clotting needs, levels of vitamin K necessary for clotting are much lower than those needed for bone and arterial protection. One randomized, double-blind clinical trial examined the effect of phylloquinone supplementation in 388 healthy men and postmenopausal women aged 6080 years [43]. The Synergistic Interplay between Vitamins D and K for Bone and Effect of calcium supplements on risk of myocardial infarction and cardiovascular events: meta-analysis. 2014. Although vitamin K1 is present in green leafy vegetables, only 10% of the total amount is absorbed from that source in the diets of people in industrialized countries.6061 The only exception seems to be the Japanese diet, particularly for the portion of the population consuming high quantities of foods rich in vitamin K2, such as natto. People taking these medications should discuss their vitamin K needs with their physician and NOT experiment with vitamin K foods or supplements on their own. Vitamins D and K are both fat-soluble vitamins and play a central role in calcium metabolism. Prynne CJ, Thane CW, Prentice A, Wadsworth ME. and transmitted securely. The Cochrane database of systematic reviews 2013;4:CD008482. Thus, bleeding and hemorrhage are the classic signs of vitamin K deficiency, although these effects occur only in severe cases. The physiology of vitamin K nutriture and vitamin K-dependent protein function in atherosclerosis. Hence, calcium is available for multiple other roles in the body, leaving the arteries healthy and flexible.46. This rapid metabolism accounts for vitamin K's relatively low blood levels and tissue stores compared to those of the other fat-soluble vitamins [11]. Menaquinones, which are predominantly of bacterial origin, are present in modest amounts in various animal-based and fermented foods [1,4]. Careers. Sato T, Schurgers LJ, Uenishi K. Comparison of menaquinone-4 and menaquinone-7 bioavailability in healthy women. 8600 Rockville Pike [, Booth SL, Tucker KL, Chen H, Hannan MT, Gagnon DR, Cupples LA, et al. This narrative review summarizes the most recent data on Ca, vitD, vitK2 and Mg supplementation and age-related bone and muscle loss. An official website of the United States government. WebMD does not endorse any specific product, service or treatment. Health News and Information, Delivered to Your Inbox. Vitamin K 2 a neglected player in cardiovascular health: a narrative Supplemental calcium promotes bone mineral density and strength and can prevent osteoporosis (ie, porous bones), particularly in older adults and postmenopausal women. MGP is produced by small muscle cells in the vasculature where once carboxylated by vitamin K2 it binds to and inhibits a protein called bone morphological protein-2 (BMP-2). Calcium intake and risk of cardiovascular disease: a review of prospective studies and randomized clinical trials. This site needs JavaScript to work properly. In its report, the FNB stated that "no adverse effects associated with vitamin K consumption from food or supplements have been reported in humans or animals.". Curr Opin Nephrol Hypertens 2002; Berkner KL, Rune KW, J Thromb Haemost 2004; Braam LA, Hoeks, AP, et al. Calcium relies on vitamin D for absorption, and so it's not uncommon to see calcium supplements containing vitamin D as well. In a 3-year study of 181 postmenopausal women, one-third were given a supplement containing vitamin D, one-third got a supplement providing both vitamin K1 and D, and one-third were given a placebo. Further, a study by the European Prospective Investigation into Cancer and Nutrition (EPIC-Heidelberg) with 23 980 participants concluded that participants regularly taking a calcium supplement had an risk for heart attack that was 86% higher than that for participants not taking a supplement.5 The effect was even more pronounced when no supplements other than calcium were taken; the risk of heart attack more than doubled in those cases. This vitamin works by activating a protein that assists calcium in serving its functions within the body. eCollection 2022. Westenfeld R, Krueger T, Schlieper G, et al. 2012;10:p. 2813. official website and that any information you provide is encrypted AACE Osteoporosis Task Force. Use of dietary supplements in the European prospective investigation into cancer and nutrition calibration study. Abstract Supplementation with calcium (Ca) and/or vitamin D (vitD) is key to the management of osteoporosis. Proper calcium use: Vitamin K2 as a promoter of bone and cardiovascular health. Two-Year Randomized Controlled Trial of Vitamin K People with malabsorption syndromes and other gastrointestinal disorders, such as cystic fibrosis, celiac disease, ulcerative colitis, and short bowel syndrome, might not absorb vitamin K properly [3,5,23].