Daily vitamin K supplementation improves anticoagulant stability
Rombouts EK, Rosendaal FR, van der Meer FJ
Published in Journal of Thrombosis and Haemostasis
Methodology
Randomized controlled trial of 100 microgram daily vitamin K1 versus placebo in unstably anticoagulated patients on vitamin K antagonists.
Key Findings
Vitamin K supplementation improved the stability of anticoagulation control (time in therapeutic range).
Conclusions
Small consistent vitamin K intake stabilises warfarin control rather than antagonising it.
Limitations
Applies only to vitamin K antagonist therapy, not to direct oral anticoagulants.
Supplements Studied
Consistent daily vitamin K intake improved anticoagulation stability rather than simply antagonising vitamin K antagonist therapy.
Daily supplementation with 100 microgram of vitamin K improved the stability of anticoagulation in patients with unstable control.
Related Health Concerns
Study Details
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This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.