Source Naturals Vitamin K (phylloquinone) is a fat-soluble vitamin.

Suitable for vegetarians. Contains no yeast, dairy, egg or soy. Contains no starch, preservatives or artificial color, flavor or fragrance.

Suggested Use: As a dietary supplement, 1 tablet daily.

Important: If you are taking anticoagulant drugs such as warfarin (Coumadin®), consult your healthcare professional before using this product, as vitamin K can interact with blood-thinning medications.

Frequently Asked Questions

What is the difference between Vitamin K1 and Vitamin K2?

Vitamin K1 (phylloquinone), found in this product, is the primary dietary form of vitamin K. Vitamin K2 (menaquinone) is another form. Source Naturals also offers a Vitamin K2 Advantage formula.

Can I take Vitamin K if I am on blood thinners?

No — if you are taking anticoagulant medications such as warfarin (Coumadin®), you should not take vitamin K supplements without first consulting your healthcare professional.