The Claim

Daily supplementation with 45 μg of menaquinone-7 for 8 weeks increases serum concentrations of MK-7 in healthy prepubertal children and does not alter coagulation parameters or bone turnover markers.

Source: The effect of menaquinone-7 (vitamin K2) supplementation on osteocalcin carboxylation in healthy prepubertal children

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
54score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect
1 study reviewed
In plain English

Taking 45 micrograms of menaquinone-7 daily for 8 weeks raises levels of MK-7 in the blood of healthy children who have not yet reached puberty, without changing blood clotting measures or bone metabolism markers.

See the scientific wording

Daily supplementation with 45 μg of menaquinone-7 for 8 weeks significantly increases serum concentrations of MK-7 in healthy prepubertal children, confirming bioavailability and compliance, without affecting coagulation parameters or bone turnover markers.

Why this might work

When a child takes a daily vitamin K2 pill, the vitamin gets absorbed from the gut into the blood, raising its concentration in the bloodstream. This vitamin then helps a liver enzyme activate a bone protein so it can bind to minerals in bone tissue. The activated protein improves bone health, but the vitamin does not change how blood clots or how fast bone breaks down and rebuilds.

Verified mechanismbased on 1 study

What the research says

1 study
  1. Study: The effect of menaquinone-7 (vitamin K2) supplementation on osteocalcin carboxylation in healthy prepubertal children

    Kids who took a daily vitamin K2 pill for two months had more K2 in their blood, and their blood clotting and bone growth stayed the same — just like the claim said.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.