rct
    2013
    High Quality

    Three-year low-dose menaquinone-7 supplementation helps decrease bone loss in healthy postmenopausal women

    Knapen MH, Drummen NE, Smit E, Vermeer C, Theuwissen E

    Published in Osteoporosis International

    Methodology

    Three-year randomised, double-blind, placebo-controlled trial of menaquinone-7 180 mcg/day in 244 healthy postmenopausal women.

    Key Findings

    MK-7 improved vitamin K status, decreased age-related decline in lumbar spine and femoral neck bone mineral density and reduced vertebral height loss.

    Conclusions

    Low-dose MK-7 slows postmenopausal bone loss over three years.

    Limitations

    Single centre, healthy volunteers, no fracture endpoints, industry-supplied supplement.

    Supplements Studied

    Vitamin K2
    Vitamin

    MK-7 180 mcg/day decreased the age-related decline in lumbar spine and femoral neck bone mineral density.

    Vitamin K1
    Vitamin

    MK-7 improved vitamin K status, decreased age-related decline in lumbar spine and femoral neck bone mineral density and reduced vertebral height loss.

    Outcomes Measured

    MK-7 decreased the age-related decline in lumbar spine and femoral neck bone mineral density.

    Related Health Concerns

    Study Details

    Year:2013
    Sample Size:244
    Duration:156 weeks
    Quality Score:8/10

    This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.