Facing lung cancer is never easy. Between treatment schedules, emotional strain, and the physical toll it takes on the body, one thing often gets overlooked: nutrition. But here’s the truth—what you eat during treatment can make a big difference in how you feel and how well your body copes. So, what should go on your plate when you’re fighting lung cancer?
Let’s take a closer look.
Why Nutrition Matters During Lung Cancer Treatment
When you’re going through chemotherapy, radiation, or targeted therapy, your body is working overtime. It’s trying to kill cancer cells while also keeping your organs, muscles, and immune system running. Without the right fuel—nutrients from food—it’s like trying to win a marathon on an empty tank.
Good nutrition helps:
- Maintain strength and energy
- Support immune function
- Improve treatment tolerance
- Speed up recovery
Think of it as giving your body the tools it needs to fight back.
Common Side Effects That Affect Eating
Let’s be real—eating during treatment isn’t always easy. You might face:
- Nausea and vomiting
- Loss of appetite
- Taste and smell changes
- Mouth sores or dry mouth
- Fatigue
These side effects can make mealtimes feel like a chore. But with a little creativity and flexibility, you can still nourish your body.
Best Foods to Boost Energy and Immunity
Your body needs calories to keep going, but not just any calories. Nutrient-rich foods are your best allies.
Here are a few top picks:
- Lean proteins: chicken, fish, eggs, tofu, beans
- Whole grains: brown rice, oats, quinoa
- Healthy fats: olive oil, avocados, nut butters
- Colourful fruits and veggies: the more variety, the more antioxidants
- Dairy or dairy alternatives: for calcium and vitamin D
Need a snack? Try a smoothie with Greek yogurt, banana, spinach, and nut butter. It’s easy to sip even when you’re not feeling 100%.
Easy-to-Digest Foods for Sensitive Stomachs
Some days, your stomach may not cooperate. When that happens, opt for gentle, bland foods:
- Bananas
- White rice
- Applesauce
- Toast
- Plain oatmeal
- Broth-based soups
These are easy on digestion and less likely to trigger nausea.
Meal Ideas for Days When You’re Too Tired to Cook
We get it—fatigue is real. Cooking might be the last thing on your mind.
Here are a few quick options:
- Microwaveable meals: choose ones with simple, wholesome ingredients
- Peanut butter toast and fruit
- Hard-boiled eggs with crackers
- Canned soup and whole grain bread
- Protein shake with added oats or nut butter
Ask a friend or family member to help prep meals ahead of time, or consider meal delivery services designed for people with medical needs.
Managing Weight Loss During Treatment
Unintentional weight loss is common, but not ideal. You want to maintain your weight to keep up strength and stamina.
Some tips:
- Add extra calories to meals (e.g., cheese, olive oil, cream)
- Eat small meals every 2–3 hours
- Keep snacks like trail mix or energy bars on hand
- Drink high-calorie smoothies or nutritional supplements
Remember: eating enough is just as important as eating “healthy.”
Hydration: What to Drink and What to Avoid
Are you drinking enough water? Dehydration can sneak up fast, especially if you’re experiencing vomiting or diarrhea.
Aim for:
- 8–10 cups of fluids daily, including water, herbal teas, broths, or diluted juices
Avoid:
- Sugary sodas
- Excess caffeine
- Alcohol (especially during chemo or radiation)
If water tastes off, try adding lemon slices or sipping cold herbal tea.
Coping with Taste and Smell Changes
Have your favourite foods started tasting like cardboard—or worse? It’s frustrating, but temporary.
Here’s what can help:
- Use plastic utensils if things taste metallic
- Add herbs, lemon, or vinegar to brighten up bland flavours
- Try new foods you didn’t like before—your preferences may have changed
- Rinse your mouth before meals
Don’t force yourself to eat what no longer tastes good. Focus on what you can tolerate.
Foods to Avoid During Chemotherapy or Radiation
Some foods could worsen side effects or increase infection risk. It’s best to avoid:
- Raw or undercooked eggs, meat, or seafood
- Unpasteurized dairy or juices
- Buffet or deli items that sit out too long
- Spicy or greasy foods if you have heartburn or diarrhea
Always wash fruits and veggies thoroughly, and check food safety dates.
The Role of Supplements – Should You Take Them?
It’s tempting to reach for vitamins, but not all supplements are safe during cancer treatment.
Ask your doctor first before taking:
- High-dose antioxidants (they can interfere with treatment)
- Herbal remedies
- Over-the-counter pills or powders
If you’re low in iron, B12, or vitamin D, your healthcare team might recommend something specific.
Plant-Based Foods and Their Cancer-Fighting Properties
You don’t need to go vegan, but plants pack a punch.
Try adding:
- Cruciferous veggies: broccoli, cabbage, kale
- Berries: full of antioxidants
- Tomatoes: rich in lycopene
- Garlic and onions: natural immune boosters
These foods are loaded with fibre and anti-inflammatory compounds.
How to Work with a Dietitian or Nutritionist
Don’t navigate this alone. A registered dietitian can:
- Create a personalised meal plan
- Address taste changes or eating problems
- Suggest supplements when needed
Ask your oncologist for a referral, especially if you’re struggling with eating or weight changes.
Emotional Eating and Appetite Loss: What to Do
Sometimes, food becomes tied to emotions—stress, sadness, frustration. Other times, you’re just not hungry.
Try this:
- Set regular mealtimes even if appetite is low
- Eat with loved ones when possible
- Listen to music or enjoy nature while eating
- Start with a few bites—you might surprise yourself
If the issue persists, talk to your care team. Appetite stimulants may help.
Sample Daily Meal Plan for Lung Cancer Patients
Breakfast: Scrambled eggs with whole-grain toast, a banana, and chamomile tea
Snack: Greek yogurt with honey and berries
Lunch: Chicken soup with rice, steamed carrots, and an apple
Snack: Smoothie with milk, spinach, peanut butter, and oats
Dinner: Grilled salmon, mashed sweet potatoes, green beans
Snack: Crackers with cheese or nut butter
It’s flexible—adjust to your taste, energy, and symptoms.
Cooking Tips to Maximise Nutrition
Simple changes can make a big difference:
- Add powdered milk to mashed potatoes or oatmeal
- Use olive oil or butter generously in cooking
- Keep frozen veggies on hand for quick meals
- Use a slow cooker to make hearty stews with less effort
- Try batch cooking and freezing individual portions
Little tricks like these help you eat well even on tough days.
Final Thoughts
Food is more than fuel—it’s comfort, it’s care, it’s part of your healing. You don’t need to follow a perfect diet. You just need to give your body what it needs to fight, recover, and stay strong.
Listen to your body. Be kind to yourself. And when in doubt—reach out for support.
References:
- “Nutrition Tips During Cancer Treatment,” American Cancer Society, 2022 – https://www.cancer.org/treatment/survivorship-during-and-after-treatment/staying-active/nutrition/nutrition-during-treatment.html
- “Coping with Eating Problems During Cancer Treatment,” Macmillan Cancer Support, 2023 – https://www.macmillan.org.uk/cancer-information-and-support/impacts-of-cancer/eating-problems
- “Nutrition for the Person With Cancer During Treatment,” National Cancer Institute, 2022 – https://www.cancer.gov/about-cancer/treatment/side-effects/appetite-loss/nutrition-pdq
- “Diet and Cancer,” World Cancer Research Fund International, 2021 – https://www.wcrf.org/dietandcancer/