Also known as: vit K, vitamin K supplementation
Latest evidence update: 2025-12-30
Compare across retailers
Specific salts and chemical forms studied in research. Bioavailability, dose, and clinical use case differ across forms. See each form's page for form-specific evidence.
ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.
Reduces bleeding risk compared to vitamin K antagonists in patients with heart conditions requiring blood thinning treatment
Lowers stroke and blood clot risk compared to vitamin K antagonists in patients with irregular heart rhythm
Reduces brain bleeding risk compared to vitamin K antagonists in patients with blood clots in the brain
May help prevent type 2 diabetes when vitamin K levels are adequate or supplementation is used
May improve insulin sensitivity when vitamin K is supplemented in people with metabolic conditions