Does Alcohol Affect Vitamin K2?

Amount or timing may matter

The short answer

Alcohol-induced liver damage impairs vitamin K metabolism and clotting factor synthesis.

How to arrange timing

Separate vitamin K2 from alcohol by at least 4 hours.

Reference

Reference noted for this food and supplement combination: NIH ODS 2024

Important context

The effect can also change with food amount, supplement dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.