Can you take Omega-3 (Fish Oil) and Warfarin together?
Yes, with care — this combination needs a precaution.
Omega-3 (Fish Oil) and Warfarin 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.
Fish oil has a mild blood-thinning effect that may add to warfarin.
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.
Don't change either on your own — tell your doctor/pharmacist to monitor.
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
Omega-3 (Fish Oil)
- Category:
- supplement
- Typical timing:
- with_meal
- With food:
- with_food
Warfarin
- Category:
- medication
- Typical timing:
- evening
- With food:
- either
- Half-life:
- 20 h
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
Sources cited on this page
Specific documents referenced by the numbered markers above.
- n-3 Fatty acids affect haemostasis but do not increase the risk of bleeding(opens in a new tab)PubMed — National Library of Medicine · pubmed.ncbi.nlm.nih.gov/24472372/
- Omega-3 fatty acids — Fact Sheet for Health Professionals(opens in a new tab)NIH Office of Dietary Supplements · ods.od.nih.gov/factsheets/Omega3FattyAcids-HealthProfessional/
- 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
- Eliquis (apixaban) — FDA prescribing information(opens in a new tab)DailyMed — U.S. National Library of Medicine · dailymed.nlm.nih.gov/dailymed/drugInfo.cfm
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.
- PubMed: Omega-3 (Fish Oil) + Warfarin(publisher search, opens in a new tab)National Library of Medicine · publisher search
- DailyMed label: Omega-3 (Fish Oil)(publisher search, opens in a new tab)U.S. National Library of Medicine · publisher search
- DailyMed label: Warfarin(publisher search, opens in a new tab)U.S. National Library of Medicine · publisher search
- Cochrane Library(publisher search, opens in a new tab)Cochrane · publisher search
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.