Newsroom — Latest Studies

September 15, 2014

ASBMR 2014 Presentation: Vitamin K(1) supplements failed to improve BMD in postmenopausal osteopenia (Huang ZB, et al.)

Women with osteopenia after menopause demonstrating low vitamin K1 concentrations did not improve bone mineral density (BMD)…

August 27, 2014

Low-dose menaquinone-4 improves γ-carboxylation of osteocalcin in young males: a non-placebo-controlled dose-response study (Nakamura E., et al.)

Menaquinone-4 (MK-4) is a type of vitamin K that has a physiological function in maintaining bone quality…

February 1, 2014

Vitamin K Status in Healthy Volunteers

A study conducted by VitaK BV, the research Institute in Maastrict, Netherland, found that children and adults…

September 1, 2013

Three-Year Low-Dose Menaquinone-7 Supplementation Helps Decrease Bone Loss in Healthy Postmenopausal Women

According to the International Osteoporosis Foundation, osteoporosis, a disease that leads to an increased risk of fractures…

February 1, 2012

Effect of vitamin K2 supplementation on functional vitamin K deficiency in hemodialysis patients: a randomized trial

The 2012 placebo-controlled clinical trial on dialysis patients, published in the American Journal of Kidney Disease, sought…

October 1, 2009

The effect of menaquinone-7 (vitamin K2) supplementation on osteocalcin carboxylation

Vitamin K contributes to bone health, probably through its role as cofactor in the carboxylation of osteocalcin. Intervention…

September 1, 2009

A high menaquinone intake reduces the incidence of coronary heart disease

While vitamin K-dependent proteins have been demonstrated to inhibit vascular calcification, researchers sought to build on the…

November 1, 2004

Dietary intake of menaquinone is associated with a reduced risk of coronary heart disease

The population-based Rotterdam Study examined 4,807 subjects to determine whether dietary intake of vitamin K1 and vitamin…

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