Can I take Black cohosh and Glucosamine together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
There is no known significant interaction between black cohosh and glucosamine. Both are generally considered safe to take together for most people.
In this article:
Continue reading below
Why this happens
These two substances are processed by the body through different pathways. Glucosamine is an amino sugar used by the body to build cartilage, while black cohosh is a herbal remedy that primarily affects hormonal pathways or neurotransmitters. They do not compete for the same enzymes in the liver (such as the Cytochrome P450 system) to a degree that would cause a dangerous buildup of either substance.
What you should do
You can take these two supplements together. However, as with any supplement regime, you should monitor how you feel. If you have liver problems, consult your doctor before taking black cohosh, as it has been linked to rare cases of liver inflammation. If you have a shellfish allergy, ensure your glucosamine is from a vegan or bovine source.
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 Idapamide and Ramipril together?
Taking indapamide and ramipril together can cause your blood pressure to drop too low, especially when you first start the combination. This can make you feel dizzy, lightheaded, or faint. It can also put extra strain on your kidneys.

Treatment and medication
Can I take Evana heavy period relief and Mefenamic acid together?
Taking these two medicines together significantly increases your risk of serious stomach problems, such as stomach ulcers, bleeding, or irritation of the stomach lining. It can also put extra strain on your kidneys.
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.