Question: what is the best vitamin k2?
Answer: Menaquinone-7 appears to offer a number of practical benefits over menaquinone-4 in terms of lower dosing and single daily dosing instead of multiple doses. Vitamin K2 in the form of menaquinone-4 (MK-4) has been shown to reduce the proliferation of rheumatoid synovial cells in in vitro and in vivo models.