TimingVitamin K2 MK-7

Take with meals

When to take Vitamin K2 MK-7

With a fat-containing meal

Vitamin K2 (MK-7) activates proteins that steer calcium into bones and away from arteries. It's fat-soluble and long-lasting.

Updated 2026-10-25

Best time in your day

  1. Wake
  2. Workout
  3. Breakfast
  4. Lunch
  5. Evening
  6. Workout
  7. Dinner
  8. Walk
  9. Bed
When
With a meal
Food
With a meal that contains fat
Typical dose
90–200 mcg MK-7 per day

How to take it

  1. 1Take it with a fatty meal
  2. 2Pair it with vitamin D3
  3. 3Use it daily
  4. 4Check with your doctor if on blood thinners

Watch out

K2 directly counteracts warfarin. Never start it without your doctor if you take it.

Keep apart from

  • Warfarin and vitamin K antagonists

Common questions

K1 or K2?

K1 is mainly for clotting; K2 stays longer and reaches bone and arteries.

MK-4 or MK-7?

MK-7 lasts longer, so one small daily dose works.

Does it work alone?

It's often used with vitamin D3.

Explore further

Commonly used for

Sources

  1. NIH Office of Dietary Supplements: Vitamin K fact sheet for health professionals

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For general education only, not medical advice. Talk to a qualified doctor before starting or changing supplements, especially if you are pregnant, nursing or on medication.