16/05/2026
Helpful information!
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When you’re fighting late stage or drug-resistant cancer, it is important to look at all available options to support your current cancer treatment. But it can be difficult to sort through the information available on vitamins and supplements and if they can fight cancer from a natural approach. It is also important to know what vitamins and supplements to avoid.
It’s not always easy to decide what supplements would be “good or bad” for you, because each type of cancer is unique. So, a supplement to avoid at all costs in one type of cancer may help prevent the spread of a different type of cancer. It is essential to be aware that what is good for one person, may not be good for another. Depending on your particular situation, different vitamins and supplements may or may not be helpful in your fight against cancer.
What does “hormone-sensitive cancer” mean?
Certain types of cancers are considered to be hormone-sensitive. These cancers appear to rely on hormones in the body such as estrogen, progesterone, and testosterone to fuel their growth and spread.
Cancers that can be hormone-sensitive include:
• Prostate
• Ovarian
• Breast
• Endometrial (uterine)
Certain herbal supplements may change the levels of hormones in your body. This may interfere with cancer treatment regimens and promote tumor growth.
Supplements of concern, if you have hormone-sensitive cancer, can affect the level of hormones circulating in your body. These supplements may be estrogenic, progestogenic, androgenic, or antiestrogenic.
Estrogenic herbs affect the amount of estrogen circulating in your body or mimic estrogen in your body. These supplements include ER-binding herbs such as phytoestrogens, isoflavones, and estrogen constituents. ER-binding herbs contain substances that occur naturally in plants and are similar in structure to estrogen. These substances can bind to estrogen receptors, mimic the effects of estrogen, and potentially lead to increased growth of hormone-sensitive cancer cells.
Progestogenic herbs increase the level of or mimic progesterone. These herbs and spices have a hormone-like action and can bind to progesterone receptors in your body. Hormone-sensitive cancers affected by progesterone levels may be impacted by PR-binding supplements.
Androgenic herbs increase the level of testosterone in the body. Testosterone is required for normal function of the prostate but can also fuel prostate cancer cell growth. So, herbs that increase testosterone levels can work against prostate cancer treatment and increase cancer cell growth.
Not all supplements that affect hormone activity increase hormone levels or have a similar action on hormone receptors. Some supplements are antiestrogenic. They are natural aromatase inhibitors that stop the production of estrogen in the body. Natural supplements that also have the same effect could lead to side effects and drug interactions that may interfere with your current chemotherapy regimen.
Supplements To Use with Caution
If you have hormone-sensitive cancer, consult an integrative health professional or physician before taking the following supplements.
Estrogenic Supplements (“estrogen-boosting” or “estrogen-like” herbs):
• D**g quai
• Fenugreek
• Flaxseed
• Hops
• Licorice
• Milk thistle
• Soy isoflavones
• Thyme
• Turmeric/curcumin
Progestogenic Supplements (“progesterone-boosting” or “progesterone-like” herbs):
• Oregano
• Red clover
• Thyme
• Turmeric/curcumin
• Vervain
Androgenic Supplements (“testosterone-boosting” herbs):
• Ashwagandha
• Fenugreek
• Ginseng
• Panax ginseng
Antiestrogenic Supplements (“estrogen-reducing” herbs):
• Black cohosh
• Chasteberry
• DHEA
• Licorice
• Red clover
• Resveratrol
• Saw palmetto
• Soy isoflavones
Ashwagandha has been shown to increase levels of DHEA and testosterone in males taking this supplement to promote muscle strength and endurance. Increases in testosterone levels can potentially work against prostate cancer treatments and promote cancer cell growth.
Resveratrol has a similar structure to the hormone estrogen, it can interact with estrogen receptors and mimic estrogen. Because of its effects on these receptors, resveratrol should be used with caution in people with hormone-sensitive cancers.
Panax ginseng has been found to stimulate estrogen production and increase the number of estrogen receptors in some organs. This increase in estrogen and estrogen receptors can promote cancer growth and decrease the effectiveness of cancer treatments in hormonal cancers that are sensitive to estrogen.
Oregano may be helpful in some cancers, but it has progesterone-like activity in the body and may be harmful in PR+ cancer. There is also some evidence of estrogen-like activity from oregano. People with hormonal cancers that may be affected by estrogen and progesterone activity should use caution when adding oregano supplements to their cancer regimen.
It can be overwhelming to filter through all the information about vitamins and supplements and how they affect cancer. What works to kill one type of cancer cell may promote growth in a different type of cancer. When you are dealing with late stage or drug-resistant cancer, it is important to attack cancer from all angles.
Careful evaluation of your individual situation by an integrative healthcare professional can support your chances of survival by determining which supplements will work best for you. Natural supplements can be integrated into your treatment plan to fight cancer based on available evidence in a way that won’t interfere with your current oncology treatment.
Ultimately, when using an “Aggressive Integrative Approach” to cancer, the goal is to fight cancer from every possible direction. Depending on your unique situation, why not fight cancer from every possible angle, especially with difficult or advanced cancers?
If you want to read the full article:
https://anticancer360.com/do-you-have-hormone-sensitive-cancer-use-these-supplements-with-caution/
For a broader understanding of our overall approach, please watch our webinar here:
👉 https://anticancer360.com/webinar/
At the end of the webinar, you’ll have the option to book a free assessment call with someone from our team to discuss your case in more detail and ask any questions you may have.
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