Vitamin K2 MK-4 Research

El Asmar MS, Naoum JJ, Arbid EJ. Vitamin K Dependent
Proteins and the Role of Vitamin K2 in the Modulation
of Vascular Calcification: A Review.  Oman Med J 2014
May 29;(3):172-177.  LEARN MORE

Shiraki M, Shiraki Y, Aoki C, Miura M. Vitamin K2
(Menatetrenone) Effectively Prevents Fractures and
Sustains Lumbar Bone Density in Osteoporosis.
J Bone Miner Res. (2000) 15:515-521.  LEARN MORE

Miki T, Nakatsuka K, Naka H, Kitatani K, Saito S, Masaki H,
Tomiyoshi Y, Morii H, Nishizawa Y. Vitamin K2 (menaquinone-4)
Reduces Serum Undercarboxylated Osteocalcin Level as Early
as 2 Weeks in Elderly Women with Established Osteoporosis.

J Bone Miner Metab (2003) 21:161-165.  LEARN MORE

Okamoto H, Shidara K, Hoshi D, Kamatani N. Anti-Arthritis
Effects of Vitamin K2 (menaquinone-4) – A New Potential
Therapeutic Strategy for Rheumatoid Arthritis.

FEBS J 274 (2007) 4588-4594.  LEARN MORE

Ferland G. Vitamin K and the Nervous System: An Overview
of its Actions.
American Society for Nutrition. Adv.Nutr. 3:
204–212, 2012; doi:10.3945/an.111.001784.