Nutrition Tips for Breast Cancer Survivors: Diet, Supplements, and More

Diet for Breast Cancer

Hello, Doctor: My mother is currently 60 years old.
Last year, she was diagnosed with breast cancer and has completed her surgery, chemotherapy, and radiation therapy.
She is currently taking Raloxifene and would like some dietary advice from a nutritionist.

1.
Her hair is growing very slowly right now.
Are there any foods that can help promote faster hair growth?
2.
I have heard that the human body can be classified as either yin or yang, but I am unsure which category my mother falls into.
I also heard that patients who undergo hormone therapy (taking Raloxifene) are considered to have a yang constitution.
Is this true?
3.
I have been told that breast cancer patients should avoid foods like yam, soybeans, legumes, soy milk, and other foods containing estrogen.
Does this mean my mother should avoid these foods? What should she eat instead?
4.
One of the side effects of Raloxifene is osteoporosis.
What foods can help prevent osteoporosis?
5.
My mother is currently taking a natural multivitamin (from Amway), but some people say that even natural vitamins can be harmful and advise against taking them.
I am concerned about my mother's nutritional intake and would like to know if she should continue taking them.

6.
Can she eat organ meats? (For example: pig's blood, pig liver, chicken hearts, etc.)
I apologize for having so many questions, but the information I found online is conflicting, and I am unsure whom to trust.
Therefore, I would like to consult a professional nutritionist for some guidance.
Thank you!

Peggy, 20~29 year old female. Ask Date: 2011/03/29

Dr. Cai Xiuwen reply Nutrition

Hello Peggy! Indeed, the information available online can be quite confusing! Your diligent search for information shows your effort, and it’s commendable that you recognize the importance of verifying the accuracy of online information, which reflects your caution.

1.
The rate of hair growth is related to nutritional status and metabolic conditions.
Generally, the normal growth rate is about 1 to 2 centimeters per month.
It’s essential to first understand whether your current caloric and nutritional intake is sufficient.
I recommend consulting a nutritionist at a maternal care hospital to evaluate your nutritional adequacy based on blood tests and related data.
2.
In nutrition, there is no classification of food or body constitution as yin or yang.
Such questions may be better addressed by a traditional Chinese medicine practitioner.
3.
Some studies indicate a relationship between breast cancer and hormones.
Early research suggested that high levels of phytoestrogens are associated with anti-cancer effects, but recent studies have found that phytoestrogens can promote the growth of breast cancer cells in vitro.
Foods such as yam, soybeans, legumes, and soy milk contain isoflavones.
My suggestion is that as long as the food sources are safe and hygienic, moderate consumption is beneficial, and I personally recommend not to excessively restrict nutritional sources.
4.
To prevent osteoporosis, it is advisable to supplement with some animal-based calcium sources like anchovies and dried fish, as the absorption rate of animal calcium is better than that of plant-based calcium.
Additionally, ensure adequate intake of vitamin D from sources like liver, fish, and mushrooms, and consider sun exposure to aid vitamin D conversion.
Regular exercise is also important for calcium to be incorporated into the bones, and it’s best to avoid coffee or tea, as they can affect calcium absorption and utilization.
5.
Regarding multivitamins, my advice is to consume a diverse range of foods, aiming for three servings of vegetables and two servings of fruit daily, which should provide sufficient vitamins.
During periods of fatigue, you may consider supplementing with multivitamins and minerals, but I recommend choosing products that have health food certifications (refer to the Department of Health's Food and Drug Administration) to ensure safety.
Currently, adequate caloric intake is crucial; in other words, if a car runs out of gas, the engine's lubrication becomes less important!
6.
Organ meats are high in protein but also high in cholesterol.
If your intake is low and blood cholesterol levels are not high, they can be consumed.
I hope you can still visit the hospital to discuss with a nutritionist, as this will allow for adjustments based on your mother's symptoms and dietary needs, better meeting her requirements.
Wishing you peace and health.
This response is provided by Nutritionist Tsai Hsiu-Wen from Nantou Hospital, Department of Health.

Reply Date: 2011/03/29

More Info

Breast cancer survivors often face unique dietary and nutritional challenges as they navigate their recovery and strive to prevent recurrence. Your mother’s situation, having completed her treatment and currently taking a medication like Tamoxifen (referred to as "復乳納"), requires careful consideration of her diet and nutritional intake. Here are some comprehensive tips and insights based on your questions:
1. Promoting Hair Growth: Hair loss can be a common side effect of chemotherapy, and while it may take time for hair to regrow, certain nutrients can support hair health. Foods rich in protein (like lean meats, fish, eggs, and legumes), omega-3 fatty acids (found in fatty fish, flaxseeds, and walnuts), and vitamins A, C, D, and E can be beneficial. Biotin, a B vitamin, is also known for promoting hair health, so foods like eggs, nuts, and whole grains can be included in her diet.

2. Hormonal Status and Treatment: The classification of breast cancer as hormone receptor-positive (often referred to as "陽性") or negative ("陰性") is crucial for treatment decisions. Tamoxifen is typically prescribed for hormone receptor-positive breast cancer, which means that the cancer cells grow in response to estrogen. However, it’s essential to consult with her oncologist to understand her specific hormonal status and how it may influence her dietary choices.

3. Foods to Avoid: There is some debate regarding the consumption of soy products (like soy milk and tofu) and other foods containing phytoestrogens (plant-derived compounds that can mimic estrogen). While some studies suggest that moderate consumption of soy may not increase the risk of recurrence in hormone receptor-positive breast cancer survivors, it’s best to consult with her healthcare provider or a registered dietitian for personalized advice. Generally, a balanced diet rich in fruits, vegetables, whole grains, and lean proteins is recommended.

4. Preventing Bone Density Loss: Tamoxifen can increase the risk of osteoporosis, so it’s important to include calcium and vitamin D in her diet. Foods such as dairy products (low-fat milk, yogurt, cheese), leafy greens (kale, broccoli), and fortified foods (like certain cereals and plant-based milks) are excellent sources of calcium. Vitamin D can be obtained from sunlight exposure and foods like fatty fish, egg yolks, and fortified products. Weight-bearing exercises are also crucial for maintaining bone health.

5. Multivitamins and Supplements: While multivitamins can help fill nutritional gaps, it’s important to choose high-quality products. If your mother is taking a natural multivitamin, ensure it’s from a reputable source. However, it’s always best to discuss any supplements with her healthcare provider to avoid potential interactions with her medications.

6. Consumption of Organ Meats: Organ meats like liver and blood products can be rich in nutrients, but they should be consumed in moderation due to their high vitamin A content, which can be excessive if taken in large amounts. If she enjoys these foods, they can be included occasionally, but it’s essential to balance them with a variety of other protein sources.

In summary, a well-rounded diet focusing on whole foods, adequate protein, healthy fats, and plenty of fruits and vegetables is key for your mother’s recovery and overall health. Regular follow-ups with her healthcare team, including a registered dietitian, can provide tailored advice and adjustments based on her ongoing health status and nutritional needs.

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