1. Novozymes Consumer study 2022
2. Vaidya, R., A. D. B. Vaidya, J. Sheth, S. Jadhav, U. Mahale, D. Mehta, J. Popko, V. Badmaev, and S. J. Stohs. 2022. “Vitamin K Insufficiency in the Indian Population: Pilot Observational Epidemiology Study.” JMIR Public Health Surveill no. 8 (2):e31941. doi: 10.2196/31941.
3. Schurgers, L. J., and C. Vermeer. 2000. “Determination of phylloquinone and menaquinones in food. Effect of food matrix on circulating vitamin K concentrations.” Haemostasis no. 30 (6):298-307. doi: 10.1159/000054147
4. Van Summeren MJ, Braam LA, Lilien MR, Schurgers LJ, Kuis W, Vermeer C. The effect of menaquinone-7 (vitamin K2) supplementation on osteocalcin carboxylation in healthy prepubertal children. Br J Nutr. 2009;102(8):1171-8.doi:10.1017/s00071145093821000
5. Myneni VD, Mezey E. Regulation of bone remodeling by vitamin K2. Oral Dis. 2017;23(8):1021-1028. doi:10.1111/odi.12624
6. Geleijnse JM, Vermeer C, Grobbee DE, et al. Dietary intake of menaquinone is associated with a reduced risk of coronary heart disease: the Rotterdam Study. J Nutr. 2004;134(11):3100-5. doi:10.1093/jn/134.11.3100
Gast GC, de Roos NM, Sluijs I, et al. A high menaquinone intake reduces the incidence of coronary heart disease. Nutr Metab Cardiovasc Dis. 2009;19(7):504-10. doi:10.1016/j.numecd.2008.10.004
7. Mehta D, Ra V, Ya D, Nabar N, Sn P, Vaidya A. Therapeutic activity and safety of vitamin K 2-7 in muscle cramps: an interventional case-series. The Indian Practitioner. 2010;63
McFarlin, B. K., A. L. Henning and A. S. Venable (2017). "Oral consumption of vitamin K2 for 8 weeks associated with increased maximal cardiac output during exercise." Alternative Therapies in Health and Medicine 23(4): 26-32.