[1] Xu F, et al. Vitamin K5 is an efficient photosensitizer for ultraviolet A light inactivation of bacteria. FEMS Microbiol Lett. 2018 Feb 1;365(4). DOI:
10.1093/femsle/fny005[2] Chen J, et al. Vitamin K(3) and K(5) are inhibitors of tumor pyruvate kinase M2. Cancer Lett. 2012 Mar 28;316(2):204-10. DOI:
10.1016/j.canlet.2011.10.039[3] Ogawa M, et al. Vitamins K2, K3 and K5 exert antitumor effects on established colorectal cancer in mice by inducing apoptotic death of tumor cells. Int J Oncol. 2007 Aug;31(2):323-31. PMID:17611688