Caution

Can you take Apixaban and Vitamin K2 together?

Yes, with care — this combination needs a precaution.

Apixaban and Vitamin K2 can be taken together, but the combination needs a precaution.

Why these two interactSources for why these two interact: Jumps to this entry in the sources and references list at the end of the page.

Vitamin K2 can shift INR on warfarin.

Confidence: Theoretical

Inferred from a shared mechanism, not documented for this specific pair. The same explanation is applied to other combinations that work the same way.

What to do about itSources for what to do about it: Jumps to this entry in the sources and references list at the end of the page.

Discuss with prescribing clinician before adding K2.

TimingSources for timing: Jumps to this entry in the sources and references list at the end of the page.

No fixed separation window applies here. Keep the timing consistent day to day so any effect is easy to spot.

The two items in this pair

Apixaban

Category:
medication
Typical timing:
morning
With food:
either
Half-life:
12 h
Full Apixaban page

Vitamin K2

Category:
vitamin
Typical timing:
with_meal
With food:
with_food
Full Vitamin K2 page

Check your whole routine, not just this pair

One pair rarely tells the whole story. DoseRoutine checks every combination in your stack at once — supplements, TRT, peptides, GLP-1s and prescriptions — and schedules the doses so timing conflicts like this one are handled automatically.

Frequently asked

Apixaban and Vitamin K2 can be taken together, but the combination needs a precaution. Vitamin K2 can shift INR on warfarin.

No fixed separation window applies here. Keep the timing consistent day to day so any effect is easy to spot.

Vitamin K2 can shift INR on warfarin. Discuss with prescribing clinician before adding K2.

DoseRoutine rates this pair "Caution". It is manageable with the right timing or dose, not a reason to drop either item.

Sources cited on this page

Specific documents referenced by the numbered markers above.

  1. Coumadin (warfarin sodium) — FDA prescribing information(opens in a new tab)DailyMed — U.S. National Library of Medicine · dailymed.nlm.nih.gov/dailymed/drugInfo.cfm
  2. The effect of low-dose oral vitamin K supplementation on INR stability in patients receiving warfarin(opens in a new tab)PubMed — National Library of Medicine · pubmed.ncbi.nlm.nih.gov/27346552/
  3. Vitamin K — Fact Sheet for Health Professionals(opens in a new tab)NIH Office of Dietary Supplements · ods.od.nih.gov/factsheets/VitaminK-HealthProfessional/

Verify at

This assessment is mechanism-based. These publisher search links let you check it against the current evidence — they are not citations, so they are not numbered.

Related combinations

Educational information only, not medical advice. DoseRoutine does not diagnose or treat. Talk to your prescriber before starting, stopping or combining anything — especially if you take prescription medication or are pregnant or breastfeeding.

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