I am on exemestane and wondered if creatine supplements would be beneficial or would it increase oestrogen levels.
Hi longmuir1949
Thank you for posting.
Many people ask about vitamin and herb supplements and if they may be of benefit for them. There is often the belief that vitamins and herbs are safe as they are considered natural. For many products there is a lack of research to support their use, and some can interfere with conventional medicines including cancer treatments such as exemestane.
Although you don’t mention in what way creatine may be of benefit for you, the American website Memorial Sloan Kettering Cancer Centre has some information. Each has sections on existing evidence and what known interaction there is with other medications. You can also search herbal products and supplements on the American website Medicine Plus
It’s important to speak to your breast care nurse, treatment team, GP, or a pharmacist before taking any supplements. Although the above resources don’t mention that creatine can increase oestrogen, you can ask them if this will have an impact on oestrogen levels.
You may find our Diet and breast cancer booklet has some useful information.
You can also contact the World Cancer Research Fund – Cancer and Nutrition Helpline Cancer and Nutrition Helpline - World Cancer Research Fund (wcrf-uk.org) to speak to an oncology dietician, if this would be helpful for you.
We offer a range of free supportive services for anyone who has had a diagnosis of breast cancer which you may be interested in. They include face to face and online courses and events.
For more details about all of these services, please see the information on the link, or call our free helpline.
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Best wishes
Cassie
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