This is an interesting read. Draws together some current research but the conclusion seems to be towards further research for this emerging idea of K2. The Venn type diagram of the food stiffs contains K1 and K2 is interesting.
https://pmc.ncbi.nlm.nih.gov/articles/PMC11172246/
Calcium use and bone and cardiovascular health
https://pmc.ncbi.nlm.nih.gov/articles/PMC4566462/
https://pmc.ncbi.nlm.nih.gov/articles/PMC11172246/
Calcium use and bone and cardiovascular health
https://pmc.ncbi.nlm.nih.gov/articles/PMC4566462/

