About vitamin k
Vitamin K2 (menaquinone vitamin)
Used for
- Dietary supplement to support normal blood clotting and bone health.
Usual adult dose
No established standard dose; supplement doses vary by product and purpose.
Common side effects
Important warnings
- Can interfere with warfarin and other vitamin K antagonist medicines.
- People with clotting disorders should use only under medical supervision.
Pregnancy
Safety of supplemental doses in pregnancy is not well established.
Breastfeeding
Safety of supplemental doses while breastfeeding is not well established.
Interactions
- Warfarin and similar anticoagulants: vitamin K can reduce their effect.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.