09 Apr 2019 Blackmores Vitamin K2 – emerging evidence and calls for reclassification 09 Apr 2019 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News A recent review of vitamin K, in particular the differences between vitamin K1 and K2 has urged national and international regulatory organisations to reconsider the current classification of vitamin K and its recommended dietary intake. × To continue reading this article, please Log In or Sign Up for access.