Healthy Food for cancer patients during treatment

Nutrition during and after cancer treatment: tips and guidance

What you eat during and after cancer treatment can have a powerful impact on how you feel. Learn how nutrition can help support your healing, manage side effects, and improve quality of life.

What you'll learn by reading this page:

Importance of nutrition during and after treatment

Different types of diet and approaches for cancer patients and survivors

Foods to focus on during cancer treatment

Managing nutrition after cancer treatment

Understanding nutrition: key to cancer prevention, treatment and recovery

Proper nutrition is one of the most powerful tools available to support cancer prevention, treatment, and recovery. The food you eat doesn’t just provide essential fuel for your body, it can directly impact how your body responds to cancer treatment, how it heals, and how you manage side effects. Nutrition is the cornerstone of overall well-being, helping the body stay strong and resilient during cancer treatment and recovery.

Cancer treatments, such as chemotherapy and radiation, can strain your body and alter its ability to absorb nutrients. This makes it even more important to choose foods that help maintain energy, support the immune system, and combat the side effects of treatment. Additionally, nutrition plays a key role in preventing cancer recurrence, promoting long-term health, and improving the quality of life during and after treatment.

Let's explore cancer-fighting foods, the role of anti-inflammatory nutrition, how to meet your nutrient needs during treatment, and how to manage side effects with the right foods. We will also discuss the importance of gut health and staying properly hydrated throughout the cancer journey.

“The kitchen is a place that is so underrated as a space for healing, but I learned in pharmacy school that the first medicines were actually plants and many of today's manufactured medications are created to mimic what foods, herbs and spices do to help us heal and be healthy. I believe and teach that even small changes in your current eating regimen can have a tremendous influence on your health.”

Cheryl Hoover

Nutrition Coach at The After Cancer

Nutrition and cancer prevention

Nutrition plays a critical role in reducing the risk of developing cancer. Certain lifestyle factors, including diet, can influence cancer risk by affecting your body's ability to manage inflammation, oxidative stress, and hormone levels, which are key contributors to cancer development. By incorporating cancer-preventing foods into your diet, you can potentially lower your risk of developing certain types of cancer, such as breast, colon, prostate, and endometrial cancer.

Cruciferous vegetables

These vegetables, like broccoli, cauliflower, and Brussels sprouts, contain compounds known as glucosinolates, which have been shown to help detoxify carcinogens and slow the growth of cancer cells.

Berries

Rich in antioxidants like vitamin C and anthocyanins, help fight oxidative stress, a key factor in cancer development. Blueberries, strawberries, and raspberries are especially potent in protecting DNA from damage.

Green tea

Known for its antioxidant properties, contains catechins that have been shown to reduce inflammation and inhibit cancer cell growth.

Tomatoes

Packed with lycopene, a powerful antioxidant, have been linked to a reduced risk of prostate cancer. Lycopene helps protect against oxidative damage and inflammation.

A plant-based diet for prevention

Research suggests that a diet focused on whole plant-based foods can help reduce cancer risk by providing plenty of fiber, vitamins, and minerals while avoiding the negative effects of animal-based foods, such as saturated fats and hormones. Studies have shown that a plant-based diet can lower the risk of cancers like colon, breast, and pancreatic cancer.

By prioritizing whole grains, fruits, vegetables, and legumes, you help ensure your body has the essential nutrients it needs to defend itself against cancer development.

"Studies show that people who regularly consume dark, leafy green, and cruciferous vegetables have a lower risk of cancer, but most Americans are deficient in both. Increasing these green vegetables in your diet is a great place to start making a shift. Green tea joins the ranks of these cancer-fighting greens with its rich antioxidants and polyphenols. These three types of green foods are not only important for cancer prevention, but they also have benefits in weight loss, hormone health, and reducing inflammation."

Health coach for nutrition for cancer prevention

Merritt Tracy

Health coach at The After Cancer

Nutrition during cancer treatment

During cancer treatment, maintaining proper nutrition is crucial, as the body undergoes significant stress. Chemotherapy, radiation, and surgery can impair the body's ability to absorb nutrients, causing side effects such as nausea, fatigue, and loss of appetite. Nutrition during this time is not just about preventing weight loss, it’s about preserving strength, boosting the immune system, and helping the body heal. Eating the right foods can help manage treatment-related side effects, support the immune system, and ensure the body has the necessary resources to fight cancer and recover.

The focus of nutrition during treatment should be on nutrient-dense foods that provide energy, protein, and hydration. Protein is particularly important for maintaining muscle mass and supporting wound healing. In addition, hydration is essential, as treatments often lead to dehydration. Foods like smoothies, soups, and broths can help you get essential nutrients and stay hydrated, even if eating solid foods is challenging. Specific cancer-fighting foods, such as cruciferous vegetables, berries, and omega-3 rich foods, can support the body’s healing process, reduce inflammation, and bolster immune function.

For those who may not feel up to cooking, it’s still possible to maintain a nutrient-rich diet with quick, easy options. Consider ready-made smoothies or meal replacement shakes that are packed with protein, fiber, and vitamins. Pre-packed, fresh salads, microwavable vegetable stews, or frozen vegetable mixes can be convenient and nutritious alternatives. Another shortcut is to stock up on canned beans, lentils, or tuna, which require little to no preparation and are excellent sources of protein. Additionally, overnight oats or Greek yogurt topped with berries and nuts can be prepared in minutes, providing a nutrient-dense meal or snack.

Do you need help understanding what to eat during or after treatment?

Our care team is here to help you eat well during and after treatment, manage side effects, and feel stronger.

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"My favorite part of the experience was the nutrition. If I was in charge of all cancer patients in this world, I would make this program a requirement.

Cancer survivor,

Member of The After Cancer

The emotional importance of nutrition

Nutrition is a key pillar of emotional well-being at every stage of the cancer journey, from diagnosis and treatment to recovery and long-term survivorship. While eating nourishing foods supports physical health, it also plays a significant role in managing emotional challenges that often accompany cancer.

During treatment, cancer patients often face stress, uncertainty, and fatigue, which can be overwhelming. A well-balanced, nutrient-dense diet can help boost mood, improve mental clarity, and reduce feelings of stress and anxiety. When you nourish your body with foods that promote energy and support your immune system, it can help stabilize mood swings, alleviate depression, and contribute to a greater sense of control and empowerment.

Eating a variety of whole foods, like fruits, vegetables, lean proteins, and healthy fats, offers both physical and emotional nourishment. The act of eating well can also provide a sense of routine, comfort, and care, especially during times of uncertainty. It fosters a positive relationship with food, shifting the focus from fear or restriction to self-care and healing.

Throughout recovery and long-term survivorship, maintaining a healthy, balanced diet can continue to support emotional resilience. It can help manage fatigue, mental fog, and other lingering symptoms, making it easier to navigate the challenges of life after cancer. Nutrition also plays a crucial role in building self-esteem, as feeling physically strong and nourished helps survivors feel more confident and empowered in their post-cancer life.

Schedule a FREE call to learn how The After Cancer can guide you in demystifying foods and diets after a cancer diagnosis.

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Nutrition during cancer treatment

Cancer treatments, such as chemotherapy, radiation, and surgery, can take a significant toll on your body, impacting your ability to absorb nutrients and affecting your appetite. Maintaining proper nutrition during treatment is crucial for preserving strength, boosting the immune system, and managing side effects like fatigue, nausea, and weight changes. Nutrition plays an active role in helping your body handle the stress of treatment and recover more effectively.

Managing side effects with nutrition

Nausea and vomiting

Many cancer treatments cause nausea or vomiting. To help ease these symptoms, try eating small, frequent meals of easily digestible foods like toast, crackers, and ginger-infused foods. Ginger has been shown to help calm the stomach and reduce nausea. It’s also important to stay hydrated with clear liquids, such as broth or herbal tea.

Loss of appetite

Loss of appetite can be a common side effect, making it difficult to get the necessary nutrients. Focus on nutrient-dense foods that provide a high amount of vitamins and minerals in small portions. Consider smoothies or shakes made with protein powder, avocados, and fruits, which are easy to consume and packed with calories and nutrients.

Dry mouth and mouth sores

Many cancer treatments can lead to dry mouth or painful mouth sores, making it difficult to eat. Soft, moist foods, like soup, smoothies, or yogurt, can be soothing. Avoid acidic or spicy foods, which can irritate the mouth. Staying hydrated with water, watermelon, or cucumber can also help prevent dryness and ease discomfort.

Fatigue

Cancer treatments can cause fatigue, which may affect your appetite and energy levels. To combat this, focus on protein-rich foods like eggs, chicken, and legumes to maintain muscle mass. Incorporate complex carbohydrates like whole grains to help stabilize energy levels and avoid crashes.

Importance of hydration during treatment

Hydration is crucial during cancer treatment. Dehydration can worsen fatigue, cause headaches, and impair your body’s ability to flush out toxins. Make sure to drink plenty of fluids throughout the day. In addition to water, try herbal teas, broths, or electrolyte-rich beverages to maintain hydration and support electrolyte balance.

Staying hydrated is essential for digestive health, detoxification, and maintaining energy levels. Many cancer treatments, particularly chemotherapy, can lead to dehydration, making it crucial to drink plenty of fluids throughout the day.

Drink water regularly, aiming for 8-10 cups per day, depending on your individual needs.
Include hydrating foods like cucumbers, watermelon, and oranges to supplement hydration.

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"Nutrition is something you have control over in your healing. It allows you to take back control. Making choices about what to eat is something you can do every day that will help with your progress."

Cheryl Lecroy,

Peer coach at The After Cancer

Reducing inflammation during treatment

Inflammation is a common response to cancer treatments, and managing it can significantly improve the quality of life during recovery. Chronic inflammation can exacerbate side effects such as pain, fatigue, and digestive discomfort, making it harder for the body to recover. Some well known anti-inflammatory foods include:

Omega-3 fatty acids

Found in fatty fish like salmon and mackerel, or plant-based sources like flaxseeds and walnuts, omega-3s are known for their powerful anti-inflammatory effects.

Turmeric

Contains curcumin, a compound that reduces inflammation and supports healing. It's particularly useful in reducing pain associated with cancer treatments.

Ginger

Known for its ability to reduce nausea and inflammation, ginger is beneficial for managing digestive issues and reducing overall discomfort.

Green tea

Rich in catechins, which have antioxidant properties, green tea helps lower inflammation while supporting immune function.

Integrating these foods into your diet can help create a more favorable environment for healing and recovery during treatment.

Nutrient needs during treatment

During cancer treatment, your body requires specific nutrients to maintain strength, support recovery, and prevent deficiencies. These nutrients help with cell repair, immune function, and energy production.

Protein

Vital for muscle maintenance and wound healing, especially during chemotherapy. Sources include lean meats, eggs, tofu, legumes, and dairy.

Iron

Important for red blood cell production and preventing anemia, which can lead to fatigue. Iron-rich foods include spinach, beans, chicken, and red meat.

Calcium and Vitamin D

Essential for bone health, especially if you’re undergoing treatments that affect bone density. Sources include dairy, leafy greens, fortified foods, and sunlight for Vitamin D.

Vitamins A, C, and E

These vitamins support skin health, immune function, and help the body manage oxidative stress. Sources include carrots, oranges, bell peppers, and sunflower seeds.

By ensuring adequate intake of these nutrients, you help your body stay strong, fight infections, and recover more efficiently.

Practical tips for implementing these foods during cancer treatment

Implementing these cancer-fighting, anti-inflammatory, and nutrient-rich foods can be challenging when you’re dealing with treatment side effects. Here are a few practical tips to help you incorporate these foods into your daily routine:

Plan small frequent meals

Eating smaller meals more often can help if you’re experiencing a loss of appetite or nausea.

Smoothies and shakes

These are an easy way to pack in protein, fruits, vegetables, and healthy fats without the need for elaborate preparation.

Pre-prepared meals and snacks

If cooking is too much, consider using pre-made, nutritious meals like salads, soups, and protein shakes to ensure you're still meeting your nutritional needs.

Choose easy to digest foods

If you're struggling with side effects like dry mouth or mouth sores, opt for soft, moist foods that are easier to eat and digest.

Good nutrition during cancer treatment is not just about maintaining weight, it’s about nourish your body to recover, heal, and stay strong. By focusing on cancer-fighting foods, anti-inflammatory nutrients, and proper hydration, you can enhance your body’s ability to manage side effects, support your immune system, and improve overall treatment outcomes. Nutrition plays a vital role in your healing journey, and making it a priority will help you feel better physically and emotionally throughout the process. Always consult with a healthcare provider or dietitian to ensure your diet supports your specific needs during this important time.

“I now practice a largely vegan, plant-based diet, getting healthy nutrients from natural, clean ingredients. My organic heirloom garden is filled with rainbow-colored produce packed with super nutrients.”

breast cancer survivor who follows a plant based diet

Cheryl Lecroy,

Breast cancer survivor and peer coach at The After Cancer

The importance of nutritional guidance during cancer treatment

Personalized Nutrition Plans

Every cancer patient has different nutritional needs depending on factors such as the type of cancer, stage of the disease, treatment regimen, and overall health.

A nutritionist can develop a personalized plan that provides the right balance of calories, proteins, fats, and other nutrients to support the body through the treatment process.

Personalized plans ensure that patients get the most out of their diets, helping them maintain strength, energy, and a better quality of life during treatment.

Nutrition plays a critical role in supporting the body during cancer treatment, but the complexities of chemotherapy and other therapies mean that a one-size-fits-all approach to diet often falls short. This is where the expertise of a nutritionist becomes invaluable. Working with a nutritionist allows for the creation of personalized nutrition plans that take into account the unique challenges and needs of each patient.

Tips to help stick to your personalized nutrition plan

Plan Ahead

Prep Meals When You're Feeling Good: On days when you have more energy, prepare and freeze meals. This way, when you're not feeling your best, you have something ready to go.

Keep Snacks Handy

Easy-to-Eat Options: Have snacks like nuts, cheese, or yogurt available. They're quick and don't require much effort to prepare.

Stay Hydrated

Sip Throughout the Day: Keep a water bottle with you and take small sips regularly. If plain water doesn't appeal to you, try adding a slice of lemon or cucumber for flavor.

Listen to Your Body

Eat When Hungry: If you don't feel like eating a full meal, have a small snack instead. It's important to get nutrients in any form you can tolerate.

Get Creative with Flavors

Experiment with Seasonings: If your taste buds are acting up, try different herbs and spices to make food more appealing.

Accept Help

Let Others Assist: Don't hesitate to accept offers from friends or family to help with grocery shopping or meal prep. It can take a load off your shoulders.

Keep a Food Journal

Track What Works: Note down what you eat and how it makes you feel. This can help you identify foods that sit well with you and those that don't.

Schedule a FREE call to learn how The After Cancer can guide you in boosting your energy, and creating a personalized nutrition plan that supports your healing journey.

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The importance of choosing the right foods

Nutrition isn’t just about food, it’s part of healing. During cancer treatment, what and how we eat can make a big difference in how we feel, how our body responds to treatment, and how we recover. The right foods can help boost the immune system, fight inflammation, and promote healing. But with so many diets and nutritional approaches out there, it’s important to choose one that aligns with your personal health needs and goals. What works for one person may not be the best choice for another, so it's essential to tailor your diet based on factors like cancer type, treatment stage, and overall well-being.

Several studied diets have shown to have a positive impact on cancer patients and survivors, not just in providing essential nutrients but also in reducing side effects, supporting recovery, and improving overall health.

Do you need help navigating nutrition during or after treatment?

Our care team is here to help you eat well during and after treatment, manage side effects, and feel stronger day by day.

Join Now

“As the primary caregiver for my mother during the final months of her battle, I gained invaluable experience and empathy. This lived-out experience became the cornerstone of my passion for oncology nutrition, allowing me to connect with patients on a level that transcends professional boundaries.”

Lori Drummond,

Registered Dietitian at The After Cancer

The Mediterranean diet for cancer

What does it mean to follow a mediterranean diet?

The Mediterranean diet is inspired by the eating habits of countries like Italy, Greece, and Spain. It emphasizes whole foods such as fruits, vegetables, whole grains, legumes, and healthy fats like olive oil. Fish and seafood are consumed in moderation, while red meat is eaten infrequently.

Numerous studies have found that the Mediterranean diet can reduce inflammation, improve heart health, and lower the risk of cancer recurrence, especially for breast cancer survivors. The diet’s focus on healthy fats, antioxidants, and fiber is associated with lower cancer risk and overall health improvement.