Supplement stacks / Ginkgo Biloba + Warfarin

Can You Take Ginkgo Biloba with Warfarin?

Ginkgo Biloba and Warfarin: one interaction flagged, scored 3/10 (high risk). The count and score come from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice.

Safety at a glance

High risk
Safety score3/10

This score comes from an AI-written analysis of the pair. Our interaction rules check it and can only make it stricter, never milder. Informational only: it can't account for your medications, conditions, or genetics.

What the AI-written analysis says

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.

Warfarin is a prescription medication. This page describes publicly documented interactions — it can't see your dose, your other prescriptions, or your labs. Discuss any supplement with the prescriber or pharmacist who manages this medication before combining.

Known interactions

high risk

Ginkgo

From the AI-written analysis.

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

Common side effects:
  • headache
  • dizziness
  • stomach upset
Warnings:
  • Consult healthcare provider before use, especially if taking anticoagulants.

Warfarin

From the AI-written analysis.

Warfarin is an anticoagulant medication used to prevent blood clots. It requires careful monitoring due to its narrow therapeutic index.

Typical dosage: As prescribed or as directed on the label

Common side effects:
  • bleeding
  • bruising
  • gastrointestinal upset
Warnings:
  • Monitor INR levels regularly; avoid sudden changes in diet, especially vitamin K intake.

Timing

No timing arrangement makes this combination safe — see the warnings above.

Watch out for

  • 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.

Frequently asked questions

Can you take Ginkgo Biloba and Warfarin together?

Ginkgo Biloba and Warfarin: one interaction flagged, scored 3/10 (high risk). The count and score come from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice.

What score does the Ginkgo Biloba and Warfarin combination get?

The Ginkgo Biloba and Warfarin combination is scored 3/10 (high risk). The score comes from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice. Always confirm with a healthcare professional.

When should you take Ginkgo Biloba and Warfarin?

No timing arrangement makes this combination safe — see the warnings above.

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.

Check your full stack

Taking more than these two? Add everything you take, medicines included, to your list. We check each supplement on your list against the rest of it, and name anything we could not check. Free, and you don’t need an account.

Analyze my stack

What your DNA adds

Some genes in a raw 23andMe or AncestryDNA file are linked to how the body handles nutrients. The DNA report says what yours are linked to and, where there is one, which blood test would tell you more.

See the DNA report

AI-written analysis generated August 10, 2026, checked by our interaction rules · How our analysis works