Medicine check
Ginkgo and Blood Thinners: Bleeding Risk Explained
Ginkgo and blood thinners are a known question mark. NCCIH says ginkgo may increase bleeding risk in people taking anticoagulants such as warfarin, and advises asking a provider first. Protoflow holds 120 mg of ginkgo leaf per two capsules. If you take any blood thinner, ask your doctor or pharmacist before using it.
Written by the Protoflow label deskUpdated · 4 min read
Does ginkgo raise bleeding risk with blood thinners?
It may. NCCIH says ginkgo may increase bleeding risk in people taking anticoagulants such as warfarin (NCCIH, Ginkgo).
The page does not give a dose, a list of every drug or a number for the added risk. That uncertainty is the reason to ask, not a sign that the risk is small. The ginkgo ingredient page covers the herb in more detail at ginseng and ginkgo.
Blood thinners include anticoagulants, such as warfarin and apixaban, and antiplatelet drugs, such as clopidogrel. We do not know which one you take, so we cannot say ginkgo is safe with it.
If you take any blood thinner, ask your doctor or pharmacist before using Protoflow. Keep taking prescribed medicine.
Which Protoflow ingredients matter for bleeding?
Three lines are worth showing a doctor: ginkgo, vitamin E and cayenne. Each has a bleeding or blood-thinner note in its source.
Ginkgo leaf is 120 mg per serving. Vitamin E is 13 mg, and large doses may raise bleeding risk with warfarin or antiplatelet drugs (NIH ODS, Vitamin E). The label amount is small, but a doctor should still know. Cayenne is 20 mg, and its source lists possible interactions with antiplatelet drugs, though the clinical relevance is often unclear (MSK, Cayenne).
| Ingredient | Amount | Source note |
|---|---|---|
| Ginkgo leaf | 120 mg | May raise bleeding risk with anticoagulants |
| Vitamin E | 13 mg | Large doses may add risk with warfarin |
| Cayenne | 20 mg | Possible antiplatelet interaction, unclear |
Is 120 mg of ginkgo a risky amount?
We cannot say. No source we hold sets a safe amount of ginkgo for people on blood thinners.
The big GEM trial used 120 mg twice a day, which is 240 mg, for a median of 6.1 years. It tested dementia, and adverse effects looked similar to placebo (DeKosky et al., JAMA 2008 (GEM)). It did not study people on blood thinners or any prostate outcome. Protoflow's 120 mg is half that amount, but the blend has never been tested as a whole.
So a lower dose is not a green light. For a person on warfarin, the amount that matters is set by their doctor.
- Show the Supplement Facts panel at your next visit.
- Ask about any planned blood test or dose change.
- Tell the surgeon or dentist before a procedure.
Protoflow: from $1.63 a day60 capsules a bottle · packs of 2, 3 or 6 · 60-day money-back guarantee
See packsWhat bleeding signs need a call to your doctor?
Call your doctor for unexplained bruises, nosebleeds that will not stop, bleeding gums, or black or bloody stools. Blood in the urine needs care right away.
Do not stop a prescribed blood thinner on your own, because that carries its own risk. Our medicine guide lists other drug classes to raise with your doctor, and the side effects page covers what to watch for.
Ginkgo has not been studied for the prostate, so no urinary benefit offsets the question.
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Prices from the sales page, October 19, 2026 (Protoflow sales page: packs). Two bottles cost $158 plus a small shipping fee. Every pack carries the 60-day money-back guarantee. Check your medicines first.
FAQ
Ginkgo and bleeding questions
01Which blood thinners does the ginkgo warning cover?
NCCIH names anticoagulants such as warfarin. It gives no full list, so ask your doctor or pharmacist about apixaban, clopidogrel and any other blood thinner you take, as well as aspirin.
02Does ginkgo help the prostate?
No source we hold shows that. NCCIH makes no claim about the prostate or urinary symptoms, and the large six-year trial tested dementia. Ginkgo is one of 14 lines on the Protoflow label.
03Should I tell a dentist about ginkgo before a tooth is pulled?
Yes. Tell every provider about every supplement, including before dental work or surgery, since some supplements raise bleeding risk. Your dentist or doctor decides whether to pause anything.
Who wrote this
Written and reviewed by
Pages built from the Protoflow label, the sales page and linked NIH, FDA, FTC, NHS and peer-reviewed sources.
Last updated . Learn about our editorial standards and how we check reviews. This website is run by Goprotoflow, a licensed U.S. retail desk for Protoflow, not by the manufacturer or by PhytoThrive Labs. We earn money when you buy through our order links.
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