What Should I Eat with COPD? A Simple COPD Diet

With COPD, you should eat a well-balanced diet to calm inflammation and cut down mucus in the lungs. This involves eating more proteins (chicken, fish, eggs), healthy fats (olive oil, nuts, avocado), complex carbohydrates (whole wheat bread and legumes), fruits and vegetables, and cutting down on processed food (fried items and soda). It’s also important to:

• Time your meals in a way correctly

• Eat smaller portions more frequently (about 5–6 meals a day) 

This puts less pressure on your diaphragm, helps prevent breathlessness after eating, and keeps your energy steady throughout the day. 

How Your Diet Impact COPD Symptoms 

Shortness of breath, wheezing, and constant coughing make your lungs harder during COPD. This extra effort can burn up to 10 times more calories than normal, leaving you tired. On  top of it, the use of inhalers can make your mouth dry, sore, or uncomfortable. All of this affects how you eat. About 61% of people with COPD eat less, which can lead to malnutrition in 25–40% of cases. Over time, not eating enough can weaken your muscles and make it even harder to stay active which makes taking care of your diet important. Here is how a a good diet can help you manage COPD:

• Eating fruits and vegetables give your body antioxidants to reduce inflammation 

• Whole grains support energy levels for daily activities.

• A diet for COPD that consists of fruits, vegetables, and healthy fats helps to control inflammation in the airways. 

• Protein-rich foods strengthen breathing muscles. 

• A right diet consisting of essential vitamins reduces flare-ups helping your body manage oxidative stress caused by COPD.

• Hydration helps clear the mucus, preventing it from causing breathing difficulty. 

If you are underweight, you may have weak muscles and low energy, which makes breathing harder. Your immune system may also be weaker, increasing the risk of infections. If you are overweight, extra fat around your chest can make it harder for your lungs to expand, causing breathlessness even during light activities. A balanced diet can help you maintain a healthy weight, strengthen your muscles, and support better breathing and overall lung function.

Best Foods You Should Eat with COPD

The best food for people with COPD is eating a balanced diet. This means including proteins, fruits, vegetables, healthy fats, and whole grains that give your body weapons such as antioxidants to help reduce inflammation. A balanced diet also means limiting processed food to slow down progression of COPD.

Protein to stronger muscle

Eating protein is the most important part of a COPD diet. As weak muscles make breathing harder for people with COPD, eating a palm-sized portion of protein at every meal is important. By providing the amino acids needed to build and repair muscles, it helps improve breathing, and prevents muscle loss. Eating enough protein also helps fight inflammation, reduces flare-ups, and reduces the risk of complications. Here are a few sources of protein you can include in your diet:

Apart from these, foods rich in protein include full boiled eggs, some almonds, processed yogurt, and peanut butter. 

Healthy Fats to keep breathing easier

Not all fats are bad for you. Healthy fats, found in fish, nuts, and can help you manage COPD symptoms. They consist of omega-3 fatty acids (EPA, DHA, and ALA) that help fight inflammation, and protects lungs from the damage. Plant oils are also rich in vitamin E and polyphenols that help reduce oxidative stress making the airway cleaner and clearer. 

Here are some of the healthy fat options:

For optimal results, it is best to have a small handful of nuts and seeds along with 1-2 teaspoons of oil. 

Fruits and Vegetables to fight inflammation

Fruits and vegetables are rich in vitamins C & E, antioxidants and anti-inflammatory chemicals  that reduce the damage caused by smoking. Including these foods in your COPD diet can strengthen the immune system, enhance lung capacity, and slow the progression of the disease. This leads to less coughing, reduced mucus buildup, and easier breathing. Here are some fruits and vegetables that are good for COPD:

You should take 1-2 cups of fruits and 2-3 cups of vegetables daily.

Complex Carbohydrates for better gut health

Complex carbohydrates are parts of plant foods like fruits, vegetables, whole grains, and beans that your body can’t fully digest. Instead, they pass through your digestive system and help keep your body healthy, including your lungs. Eating foods high in fiber can help your lungs hold and move more air (higher FEV1), and can lower the risk of emphysema, even if you have smoked. Fiber also helps the “good” bacteria in your gut grow, which reduces inflammation in your body. Taking half a cup of cooked grains in every meal can help you maintain your carbs intake while keeping the breathing easier. Here are a few examples of food rich in fiber and complex carbohydrates: 

• Whole grain bread

• Oatmeal

• Brown rice

• Quinoa

• Whole wheat pasta

• Sweet potatoes

Beverages to airway clear

Choosing the right drinks is just as important as choosing the right foods to help manage your COPD symptoms. Hydration helps clear mucus making it easier to breathe. It’s important to choose your drinks wisely and avoid beverages that can make inflammation worse. Here are a few beverages options that can actually help improve your COPD symptoms: 

Water: While there isn’t a strict rule on how much to drink, try having at least 6-8 glasses of water if you are not restricted by the doctor.

Tea and Coffee: Moderate amounts of tea and coffee can actually help your lungs. Tea can help lower inflammation. Coffee contains caffeine, which can help open the airways..

Milk and Fortified Alternatives: Low-fat milk or plant-based milks with added vitamins reduce the risk of COPD flare-ups, while also providing calcium for strong bones.

Smoothies: Smoothies made with fruits, vegetables, and protein powder provide antioxidants and protein, which help reduce inflammation, and prevent muscle loss. 

Foods to Limit with COPD 

You should not eat processed foods, fried items, and high-salt meals if you have COPD. These foods can increase mucus, cause bloating, and make you feel more breathless after eating. Here is explanation of how they can make your symptoms worse:

High-Sodium (Salt) Foods

Too much sodium (salt) can make your body hold onto extra water, which can build up in the lungs and cause swelling. This swelling makes it harder to breathe and puts extra strain on your heart, adding to the challenges of living with COPD. That’s why it is important to limit your sodium intake under 2000 mg/ day and avoid following sodium rich food:

• Canned soups and vegetables (unless labeled low-sodium)

• Packaged snacks: chips, salted nuts, crackers

• Fast food: burgers, fries, fried chicken

• Processed meats: sausages, bacon, ham, deli meats

• Sauces: soy sauce, salad dressings, BBQ sauce

Gas-Producing Foods

While not for everyone, beans, lentils, broccoli, cabbage, onions, garlic, and carbonated drinks, can cause gas to build up in your intestines. This gas can push against your diaphragm and make it harder for your lungs to fully expand, which can lead to discomfort, bloating, and shortness of breath.  It’s helpful to pay attention to how your body reacts to these foods and keep a food diary for:

• Beans and lentils

• Cruciferous vegetables such as broccoli, cabbage, cauliflower, and Brussels sprouts

• Onions and garlic

• Carbonated drinks such as soda and sparkling water

• Fried and greasy foods

• Dairy,  if you are lactose intolerant

You don’t have to avoid them completely. Just eat smaller portions or prepare them in ways that reduce gas, such as soaking beans or steaming vegetables.

Simple Sugars and Refined Carbs

Eating foods such as white bread, pasta, and sugary snacks can make your lungs work harder. These foods have a high glycemic index which makes your blood sugar go up quickly,causing your lungs to become inflamed and feel worse. When your body breaks down these foods, it also makes extra carbon dioxide (CO₂), which your lungs have to get rid of. This can make breathing harder, make you feel tired, and put more stress on your lungs. Therefore, try avoiding: 

• White flour (bread, pastries, donuts)

• Candy and sweets

• Fizzy drinks

• Sugary cereals

• Bakery items (Cookies and cakes)

• Fruit juice (high sugar, no fiber)

• White rice

• Chocolate bars

What Else You Should Not Eat With COPD 

• Fried foods: They’re greasy, make you feel full fast, and put pressure on diaphragm making breathing difficult. 

• Large meals: Can take a lot of energy to digest leaving you breathless. Eat smaller meals 5–6 times a day to avoid pressure on the lungs.

• Alcohol: it can dehydrate, thicken mucus, and may interact negatively with your medication.

COPD Eating Strategies

When and how often you eat can be just as important as what you eat. This is because digestion increases the production of carbon dioxide (CO₂), which your lungs must remove. After a meal, CO₂ production can rise within 30–60 minutes and stay elevated for up to 1.5 hours, temporarily making breathing harder and increasing fatigue. To reduce this strain, it’s better to eat 5–6 smaller meals throughout the day instead of 3 large ones. Smaller meals:
 

• Prevent the stomach from feeling overly full which can push on the diaphragm and make breathing difficult. 

• Help maintain steady energy levels

• Keep your lungs and body from becoming overburdened 

As an example, you may schedule your meals as follow:

• 7 AM: Breakfast

• 10 AM: Snack

• 12:30 PM: Lunch

• 3 PM: Snack

• 6 PM: Dinner

• 8 PM: Light snack (if needed)

Tips to Make Eating Easier with COPD

Eating with COPD may make breathing more difficult but following strategies can help you make mealtimes easier:

Before meals: 

• Gently clearing your airways with controlled coughing

• Use your bronchodilator about 30 minutes beforehand if it’s prescribed

• Take 10–15 minutes to rest so you start eating without feeling tired. 

• Sit upright in a comfortable chair to help your lungs expand fully.

During meals: 

• Eat slowly and chew thoroughly, putting your fork down between bites to avoid getting winded. 

• Use pursed-lip breathing or take short breaks if you feel breathless. 

• Try to drink liquids at the end of your meal rather than during it to avoid feeling full too quickly.

After meals: 

• Stay upright for 30–60 minutes

• Avoid lying down to help ease digestion. 

• If you can, take a gentle walk or simply rest until your breathing feels comfortable again.

Meal preparation: 

• Prepare meals during the times of day when you feel most energetic and sit whenever possible.

• Use pre-cut vegetables and fruits, batch-cook meals

• Freeze portions to reduce daily effort.

• Use slow cookers or instant pots 

• Accept help from family or friends when possible 

Make intelligent food choices:

• Choose soft, moist foods instead of dry items

• Cut meals into small, manageable bites

• Add gravies or sauces to keep foods moist

• Opt for ground meats rather than tougher cuts

• Steam vegetables until they’re tender

• Use smoothies or blended meals when chewing feels tiring or causes breathlessness.

Sample of a COPD-Friendly Meal Plan

A daily COPD nutrition should include 20–30 grams of protein and healthy fats per meal to support muscle strength. Do add 5–7 servings of fruits and vegetables, moderate portions of whole grains, and 6–8 glasses of water to support overall lung function and manage COPD symptoms. Here is a sample COPD-friendly meal plan that includes balanced portions each nutrient: 

What Should You Eat With COPD: Special Nutrition Considerations For Under and Overweight Individuals

What Should You Eat If You're Underweight

Being underweight can make COPD symptoms worse. Low body weight and muscle loss reduce strength, including the muscles needed for breathing, which can make shortness of breath, fatigue, and illness more severe. With a balanced diet, you can gain at least one and a  half pounds every week. Here is what you need to focus on:

• Prioritize fats and proteins for energy to reduce CO₂ production and ease breathing.

• Eat plenty of fruits and vegetables for fiber and antioxidants

• Include low-fat dairy or cheese for vitamin D, better lung function, and exercise capacity.

• Address common nutrient deficiencies: iron, calcium, potassium, zinc, folate, vitamin B6, niacin, and retinol.

• Supplement vitamin D if low, which can reduce COPD flare-ups

• Take protein supplements to preserve muscle mass.

• Targeted Multi-Nutrient Supplements (TMN) with whey protein, omega-3s, and vitamin D improve weight, muscle strength, and activity when combined with exercise

What Should You Eat If You're Overweight

Being overweight can make it harder to breathe, lower exercise ability, and reduce quality of life. The extra fat can even hide the low muscle, which can increase inflammation over time leading to poor prognosis. Here are a few tips that can help:

• Follow a structured weight-loss program that includes healthy meals and exercise plans

• Improving diet quality by reducing unhealthy fats and increasing vitamins

• Focus on a plant-centered diet high in fruits, vegetables, whole grains, and fiber

• Avoid high-calorie, low-nutrient foods that increase inflammation. 

What Should You Eat If you have no appetite

Without enough energy, your body may lose weight and muscle, which can make breathing harder and increase fatigue.

• Choose foods high in protein and healthy fats such as eggs, yogurt, nuts, avocado, and fatty fish, to maximize nutrition in smaller portions

• Use smoothies and shakes as blended meals are easier to consume and can pack in more calories

• Enhance flavor by adding herbs, spices, sauces, or gravies

• Time your medications wisely

• Consider taking supplement if needed but make sure you contact your doctor first

How Staying Hydrated Can Improve COPD Symptoms 

Your lungs naturally produce mucus, and water helps keep this mucus thin and easier to clear. When you don’t drink enough fluids, the mucus becomes thick and sticky. This makes it harder for your lungs to move air in and out, which can worsen coughing, congestion, and shortness of breath. Drinking enough fluids, including water, herbal tea, and coconut water helps your airways stay moist so your body can clear mucus more effectively. You may notice you need more hydration if you have symptoms such as:

• Thick, sticky mucus

• Trouble coughing mucus out

• Feeling more “blocked” in the chest

• Increased shortness of breath

To stay hydrated, 

• Try to sip fluids throughout the day

• Keep water bottle nearby

• Drink between meals

• Set reminders if you forget

• Flavor with fruit if plain water is boring

If you have heart or kidney problems, speak to your doctor about how much fluid is right for you.

When to see a doctor

Living with COPD can feel like a constant balancing act, especially when it comes to eating and staying nourished. It’s normal to wonder what to eat, how much, or how your meals affect your breathing. For instance, you may want to reach out to a registered dietitian if you experience unintended weight loss or gain, struggle to eat due to breathlessness, or feel unsure about making food choices. Your dietician can help:

1. Get a personalized meal plan tailored to your energy needs

2. Suggest food plan that does not interact with your medications 

3. That can help you stay within your daily calorie intake

Similarly, trying to keep a track of your experiences so you can know how far you have come. Jot down what you eat, how full you feel, your energy levels, and any shortness of breath you notice after meals. Watch your weight over time. Sharing these notes with your healthcare team helps them understand what works for you and allows them to adjust your plan so it fits your life.

Frequently asked questions 

What is the best diet for someone with COPD?

The best diet for COPD consists of anti-inflammatory, high-fiber, and hydrating foods. This includes plenty of fruits, vegetables, whole grains, and omega-3-rich sources. Eating small, frequent meals with lean proteins, staying well-hydrated, and limiting processed foods can help support lung function.

Can certain foods help me breathe better?

Yes. Eating foods high in antioxidants and omega-3s, such as berries, leafy greens, and fatty fish, can reduce inflammation and make breathing easier..

Should I avoid dairy products if I have COPD?

You don’t need to avoid dairy if you have COPD. In fact, eating cheese and low-fat dairy can help you have better lung function, less emphysema, and improved walking ability. However, if you notice thicker mucus after eating dairy, try cutting back, or using lactose-free products..

Why do I feel short of breath after eating?

Feeling breathless after eating is very common when you have COPD, and several things can trigger it:

• Large meals add pressure to your lungs

• Gas-producing foods can cause bloating

• High-carbohydrate meals increase CO₂ production

• Eating too quickly can trap air

Is coffee bad for COPD?

No, coffee isn’t harmful for most people with COPD. Caffeine in coffee can even slightly relax airway muscles, which may ease breathing. However, avoid excessive intake to prevent dehydration or jitteriness, and reduce consumption if it triggers heartburn or worsens your symptoms.

How many calories should I eat with COPD?

There is no single calorie number that fits everyone with COPD, because your needs depend on your weight, activity level, age, and whether you are underweight, at a healthy weight, or overweight. You may need more calories than average to prevent muscle loss and improve strength if you are underweight. Whereas, you may need to cut down your calories if you are overweight. See a dietitian to know what exactly are your daily calories requirements. 

Conclusion

Eating a well-balanced diet is an important part of managing COPD because the right foods help keep your airways clearer and make breathing easier. Focus on a mix of complex carbohydrates, lean proteins, and healthy fats, while limiting foods that trigger inflammation. Try to prepare meals in batches and during the time of day when you feel your best. Having nutritious meals ready ahead of time not only saves energy but also helps you stay nourished on days when breathing feels more difficult.

Start with one or two food swaps this week, keep a food diary to identify what works for you, and consult a dietitian for personalized guidance

References

1. European Clinical Respiratory Journal. 2025. Loss of appetite in patients with chronic obstructive pulmonary disease - a mixed methods study: https://pmc.ncbi.nlm.nih.gov/articles/PMC12247119/

2. European Respiratory Review. 2023. The role of diet and nutrition in the management of COPD: https://pmc.ncbi.nlm.nih.gov/articles/PMC10245132/

3. Nutrients. 2019. Role of Diet in Chronic Obstructive Pulmonary Disease Prevention and Treatment: https://pmc.ncbi.nlm.nih.gov/articles/PMC6627281/

4. Cellular and Molecular Life Sciences.2015.  Airway hydration and COPD: https://pmc.ncbi.nlm.nih.gov/articles/PMC4567929/