Supplement stacks / Ginkgo Biloba + Warfarin
Can You Take Ginkgo Biloba with Warfarin?
Taking Ginkgo with Warfarin poses a significant risk of increased bleeding due to Ginkgo's potential anticoagulant effects. Users should be cautious and consult healthcare providers before combining these substances.
Conservative, AI-assisted reading of publicly available medical sources (NIH, Mayo Clinic, WebMD, Examine.com). Informational only — it can't account for your medications, conditions, or genetics.
Ginkgo is a herbal supplement often used for cognitive enhancement and circulation improvement. Its effects on bleeding risk are not fully understood.
Typical dosage: 120-240 mg daily, divided into two or three doses
- headache
- dizziness
- stomach upset
- Consult healthcare provider before use, especially if taking anticoagulants.
Warfarin is an anticoagulant medication used to prevent blood clots. It requires careful monitoring due to its narrow therapeutic index.
Typical dosage: 2-10 mg daily, adjusted based on INR levels
- bleeding
- bruising
- gastrointestinal upset
- Monitor INR levels regularly; avoid sudden changes in diet, especially vitamin K intake.
If Ginkgo is to be taken, it should be spaced from Warfarin by at least 4 hours to minimize interaction risk.
- Blood thinners and antiplatelet drugs, combined with supplements that also slow clotting, can add up and raise the risk of serious bleeding. Watch for unusual bruising, nosebleeds, bleeding gums, or blood in urine or stool, and check with the prescriber who manages your medication before combining. Stop bleeding-risk supplements about 1-2 weeks before any surgery or dental work, and never stop a prescribed blood thinner on your own.
- Due to the interaction between Ginkgo and Warfarin, it is crucial to consult a healthcare provider before combining these substances. Monitor INR levels more frequently if Ginkgo is taken.
Can you take Ginkgo Biloba and Warfarin together?
Taking Ginkgo with Warfarin poses a significant risk of increased bleeding due to Ginkgo's potential anticoagulant effects. Users should be cautious and consult healthcare providers before combining these substances.
How safe is the Ginkgo Biloba and Warfarin combination?
Our analysis of publicly available medical sources scores this combination 3/10 (high risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.
When should you take Ginkgo Biloba and Warfarin?
If Ginkgo is to be taken, it should be spaced from Warfarin by at least 4 hours to minimize interaction risk.
What should you watch out for when combining Ginkgo Biloba and Warfarin?
Blood thinners and antiplatelet drugs, combined with supplements that also slow clotting, can add up and raise the risk of serious bleeding. Watch for unusual bruising, nosebleeds, bleeding gums, or blood in urine or stool, and check with the prescriber who manages your medication before combining. Stop bleeding-risk supplements about 1-2 weeks before any surgery or dental work, and never stop a prescribed blood thinner on your own. Due to the interaction between Ginkgo and Warfarin, it is crucial to consult a healthcare provider before combining these substances. Monitor INR levels more frequently if Ginkgo is taken.
Taking more than these two? Run your complete supplement list — plus any medications — through the live checker for a combined analysis.
Analyze my stackGenetics change how you process supplements like these. Upload raw 23andMe or Ancestry data for a personalized supplement report.
See the DNA reportNot medical advice
Analysis generated August 10, 2026 · Sources include NIH, Mayo Clinic, WebMD, and Examine.com · How our analysis works