Vitamin K2 offers many health benefits. There are two forms commonly available from supplement distributors, MK4 and MK7. The following article discusses the differences between the two with respect to osteoporosis. It concludes that MK4 is better than MK7 in increasing bone mineral density and reducing fractures.
https://www.nbihealth.com/mk4-or-mk7-wh ... for-bones/
Vitamin K2: MK4 vs MK7
Re: Vitamin K2: MK4 vs MK7
I thought people here takes K2 for his nerve system not for bone density:
https://www.sciencedirect.com/science/a ... 1322009851
https://www.sciencedirect.com/science/a ... 1322009851