Can I take Black garlic and Ginger together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
Taking black garlic and ginger together may increase your risk of bruising or bleeding. This is because both supplements can slow down the time it takes for your blood to clot. While this is usually not a problem for healthy people, it can be significant if you are already taking blood-thinning medications or have an upcoming surgery.
In this article:
Continue reading below
Why this happens
Both black garlic and ginger have 'antiplatelet' properties. This means they make the small cells in your blood (platelets) less 'sticky', which prevents them from clumping together to form clots. When used together, this effect is added together (additive effect), making the blood thinner than usual.
What you should do
For most people, using these together in normal food amounts is fine. However, if you are taking them as concentrated supplements, you should be cautious. Stop taking both at least two weeks before any scheduled surgery or dental work. If you notice unusual bruising, nosebleeds, or bleeding gums, stop using them and speak to your doctor. Avoid this combination if you are already taking prescribed blood thinners like warfarin, aspirin, or clopidogrel.
Continue reading below
Using other medicines
Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Disclaimer
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
Patient picks for Drug interactions

Treatment and medication
Can I take Levothyroxine and Coffee together?
Drinking coffee at the same time as taking levothyroxine can significantly reduce the amount of medicine your body absorbs. This means your thyroid hormone levels may stay too low, and your symptoms (like tiredness or feeling cold) might not improve as they should.

Treatment and medication
Can I take Esomeprazole and Trazodone together?
Esomeprazole may reduce the amount of trazodone that your body absorbs. This could potentially make trazodone less effective at treating your symptoms (such as depression or sleep issues). Additionally, both medications can rarely affect the electrical activity of your heart, though this risk is generally low.
Continue reading below
Article history
The information on this page is written and peer reviewed by qualified clinicians.
25 Jan 2026 | Originally published

Ask, share, connect.
Browse discussions, ask questions, and share experiences across hundreds of health topics.

Feeling unwell?
Assess your symptoms online for free
Sign up to the Patient newsletter
Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.
By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.