Reviewed by:
Polly Gitz Bsc Nutrition Student, University of Leeds

Do you worry about breast cancer and the significance of what you eat? You are in the right place. Good nutrition is the key to good health, and making the right food choices is possible at any age. This report explores the link between diet and breast cancer and gives practical advice based on research to enable you to make informed decisions about your diet.

Although there isn’t one specific eating plan for breast cancer, indications show that certain types of eating habits can impact its risk as well as its aftereffects. These are some key things you should be thinking about:

This article dives deeper into the research behind these guidelines and looks at other dietary options for breast cancer prevention and support available during and after treatment.

The impact of surgery outcome directly correlates with the nutrition status before and after the operation. To maximise the results of the surgery, it is important to ensure a balanced diet that is rich in fruits, vegetables, whole grains, and protein is consumed prior to the surgery. Vitamins, minerals, and protein are essential during the healing process. When there is one vitamin deficiency in the body, its immunity becomes weak, making it take longer for wounds to heal, besides reducing its ability to fight against infections. 

To improve your nutrition and speed up recovery, follow these instructions at least three weeks before your surgery, or even earlier if possible.

1. Eat 3-5 servings of fruits and vegetables per day. Choose from a wide range of colours.

One serving of fruit is equivalent to a piece of fruit (such as a medium orange or an apple) or half a cup of canned or frozen fruits. A serving of vegetables is one-half cup cooked or one cup raw. Fruits and vegetables have a high content of B vitamins and antioxidants. Vitamins from fruits and vegetables are essential for those whose surgery occurs before, during, or after surgical procedures; they boost the immune system. Frozen fruits and vegetables are good to keep at home without frequent shopping.

2. Consume 6-11 servings of full-grain foods daily.

A serving is equivalent to one slice of 100% whole wheat bread, ½ cup cooked brown rice, ½ cup whole wheat pasta, or ½ cup whole grain cereal. Whole grains also contain B vitamins crucial for immune system development and recovery.

3. Eat a range of protein-rich foods throughout meals and snacks.

Protein contains important amino acids that are necessary for the healing process. The body's protein status before surgery also influences healing duration. Meat, fish, eggs, cheese, beans, almonds, tofu, and dairy products are excellent protein sources.

4. Use fats, oils, and sugars sparingly.

Choose healthy fats, such as canola and olive oil. Avoid fried meals. Excess fat and sugar are empty calories that offer the body no nourishment. Too many empty calories and insufficient nutritional meals can impact the immune system.

5. Develop consistent eating habits.

Eat a nutritious breakfast daily with protein-rich foods such as eggs, peanut butter, or Greek yoghurt. Lunch should include protein, nutritious grains, vegetables, and fruit. Evening meals should be similar to lunches. Pack healthy snacks like fruit, trail mix, hummus, carrot sticks, or whole-grain crackers with cheese or peanut butter.

Research suggests that nutritional foods may reduce breast cancer risk. These include the following:

  1. Leafy green vegetables
  2. Cruciferous vegetables
  3. Allium vegetables
  4. Citrus fruits
  5. Berries
  6. Peach, apple, pear, and grapes
  7. Fatty fish
  8. Fermented foods
  9. Beans
  10. Herbs and spices
  11. Whole grains
  12. Walnuts

Main nutritional needs for cancer breast cancer patients

Calories

During cancer therapy, the body needs energy (calories) from food and protein to promote healing, maintain health, and strengthen the immune system.

Fluids

Fluid intake is crucial during chemotherapy to protect the bladder and kidneys from the medications' effects. Every individual requires at least two litres (8 cups) of hydration daily. Drink more than this quantity the day before and for 2-3 days following chemotherapy. 

To improve the taste of tap water, consider adding a lemon slice or a few drops of lemon or lime juice. Some ladies prefer the taste of carbonated water (soda) during this time. Other options include fruit juice, popsicles, yoghurt, soup, sherbet, hot cereal, milk, pudding, and decaffeinated tea/coffee. Regular coffee and tea are diuretics, making them poor fluid choices. 

Vitamins and minerals

Vitamins and minerals have numerous functions. They are crucial in cancer treatment, promoting tissue healing and immune system strength—food sources for common nutrients. If you cannot consume your regular food for a few days, there is no need to take several vitamin and mineral supplements. If you cannot eat normally for an extended time, consider taking a daily multivitamin and mineral supplement. Taking more than one vitamin pill each day is unnecessary and potentially hazardous. Other vitamin and mineral supplements could be 

Food sources of common nutrients protein

  1. Red meat (beef, pork, lamb) 
  2. Beans (legumes)
  3. Poultry 
  4. Fish, seafood 
  5. Peanut butter and other nut butter
  6. Eggs (cashew, almond)
  7. Milk, cheese, yoghurt 

Vitamin D (cholecalciferol)

  1. Milk 
  2. Margarine
  3. Fortified soy beverage 
  4. Eggs
  5. Fatty fish (herring, mackerel, salmon, sardines, and tuna)

Vitamin E

  1. Vegetable oils (sunflower, safflower)
  2. Legumes (peanuts)
  3. Leafy green vegetables
  4. Nuts and seeds (almonds, sunflower seeds) 
  5. Whole grains, wheat germ)

Vitamin B12

  1. Liver 
  2. Fish
  3. Red meats (beef, pork, lamb) 
  4. Eggs
  5. Poultry 
  6. Milk, cheese, yoghurt

Calcium

  1. Milk, hard cheeses, yoghurt
  2. Fortified soy beverage
  3. Tofu
  4. White beans

Key dietary tips

Pre-surgery nutrition

Foods that may reduce breast cancer risk

Leafy greens, cruciferous vegetables, allium vegetables, citrus fruits, berries, other fruits, fatty fish, fermented foods, beans, herbs and spices, whole grains, and walnuts.

Nutritional needs for breast cancer patients

FAQs

If a person consumes a vegetarian diet, How can he ensure he gets all the nutrients he needs? What about proteins?

Following the diagnosis, some women contemplate adopting a vegetarian diet. Including more plant-based items in your diet is beneficial, regardless of whether you are vegetarian. Vegetarian diets are defined by the foods they include. Some vegetarian diets contain milk or eggs. Iron is the only vitamin that requires specific attention for vegetarians who consume milk products. To increase iron absorption, combine plant-based iron sources with vitamin C-rich meals. 

Is there a specific "breast cancer diet"?

No, but research suggests dietary patterns can influence breast cancer risk and outcomes.

What are some vital dietary tips for breast health?

Maintain a healthy weight, limit red and processed meats, embrace fruits, vegetables, and whole grains, and limit alcohol.

How can I improve my nutrition before breast cancer surgery?

Focus on a balanced diet of fruits, vegetables, whole grains, and protein at least 3 weeks beforehand.

How many servings of fruits and vegetables should I aim for before surgery?

3-5 servings daily.

Why are whole grains important before surgery?

They contain B vitamins essential for immune system function and recovery. Aim for 6-11 servings daily.

What are the primary nutritional needs of breast cancer patients?

Calories and protein for healing and immune function; fluids to protect the kidneys and bladder; and vitamins and minerals for overall health.

How much fluid should I drink daily during treatment?

Aim for at least 2 litres (8 cups) daily. Increase intake before and after chemotherapy.

Should I take vitamin supplements?

Focus on getting nutrients from food sources first. Consider a daily multivitamin only if you struggle to eat normally for extended periods.

Summary

This article highlights the connection between diet and breast cancer risk, emphasizing the importance of proper nutrition during and after treatment. While there isn't a specific "breast cancer diet," research shows that healthy eating habits can reduce risk and support recovery. Key recommendations include maintaining a healthy weight, limiting red and processed meats, and eating plenty of fruits, vegetables, and whole grains. Limiting alcohol is also advised.

Before surgery, focusing on a balanced diet rich in protein, vitamins, and minerals can improve healing and immune function. Hydration is critical, especially during chemotherapy, to protect the body and aid recovery.

References

  1. 12 Breast Cancer-Fighting Foods (and 6 to Avoid). Healthline [Internet]. 2020 [cited 2024 Nov 6]. Available from: https://www.healthline.com/nutrition/breast-cancer-foods.
  2. De Cicco P, Catani MV, Gasperi V, Sibilano M, Quaglietta M, Savini I. Nutrition and Breast Cancer: A Literature Review on Prevention, Treatment and Recurrence. Nutrients [Internet]. 2019 [cited 2024 Nov 6]; 11(7):1514. Available from: https://www.mdpi.com/2072-6643/11/7/1514.
  3. Breast Cancer Self-Care and Recovery: Nutrition. ucsfhealth.org [Internet]. [cited 2024 Nov 6]. Available from: https://www.ucsfhealth.org/education/breast-cancer-self-care-and-recovery-nutrition.

my.klarity.health presents all health information in line with our terms and conditions. It is essential to understand that the medical information available on our platform is not intended to substitute the relationship between a patient and their physician or doctor, as well as any medical guidance they offer. Always consult with a healthcare professional before making any decisions based on the information found on our website.
Klarity is a citizen-centric health data management platform that enables citizens to securely access, control and share their own health data. Klarity Health Library aims to provide clear and evidence-based health and wellness related informative articles. 
Email:
Klarity / Managed Self Ltd
Alum House
5 Alum Chine Road
Westbourne Bournemouth BH4 8DT
VAT Number: 362 5758 74
Company Number: 10696687

Phone Number:

 +44 20 3239 9818
my.klarity.health presents all health information in line with our terms and conditions. It is essential to understand that the medical information available on our platform is not intended to substitute the relationship between a patient and their physician or doctor, as well as any medical guidance they offer. Always consult with a healthcare professional before making any decisions based on the information found on our website.
Klarity is a citizen-centric health data management platform that enables citizens to securely access, control and share their own health data. Klarity Health Library aims to provide clear and evidence-based health and wellness related informative articles. 
Email:
Klarity / Managed Self Ltd
Alum House
5 Alum Chine Road
Westbourne Bournemouth BH4 8DT
VAT Number: 362 5758 74
Company Number: 10696687

Phone Number:

 +44 20 3239 9818
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