Most people are surprised to learn that the food they eat may affect their breathing. Your body uses food as fuel for all of its activities. No single food will supply all the nutrients you need—a healthy diet has lots of variety. You and your healthcare team will work out a meal plan just for you. Meeting with a registered dietitian nutritionist (RDN) will help you get on track. Find an RDN who specializes in COPD by asking your doctor or visiting the Academy of Nutrition and Dietetics at EatRight.org.
Be sure to mention:
- What foods you like
- What foods you don't like and won't eat
- Your daily schedule, including your exercise
- Other health problems or special dietary needs you have
How Does Food Relate to Breathing?
The process of changing food to energy in the body is called metabolism. During metabolism, oxygen and food are changed into energy and carbon dioxide. Carbon dioxide is a waste product that you exhale. Breathing requires more energy for people living with COPD. Your muscles may require 10 times more calories than someone without COPD.
The foods you eat provide your body with nutrients like carbohydrates, fats and proteins. Eating a diet with less carbohydrates and more fat may help you breathe easier. When your body metabolizes carbohydrates, it produces more carbon dioxide for the amount of oxygen used. When your body metabolizes fat, it produces the least.
Nutritional Guidelines
If you find yourself short of breath while eating or right after your meals, try these tips:
- Rest just before eating.
- Eat slowly, take smaller bites of food.
- Sit upright while eating.
- Take a break in between bites and practice deep breathing exercises.
- Eat more food early in the morning if you're usually too tired to eat later in the day.
- Avoid foods that cause gas or bloating. They tend to make breathing more difficult.
- Eat 4 to 6 small meals a day. This enables your diaphragm to move freely and lets your lungs fill with air and empty out more easily.
- If drinking liquids with meals makes you feel too full to eat, limit liquids with meals or drink after meals.
- Consider adding a nutritional supplement at nighttime to avoid feeling full during the day.
Check Your Weight
Get in the habit of weighing yourself regularly. The scale will alert you to weight loss or gain. You should see your doctor or dietitian if you continue to lose weight or if you gain weight while following the recommended diet. There are health complications that can result from being underweight or overweight. A well-nourished body is better able to handle infections. When people with COPD get an infection, it can become serious quickly and result in hospitalization. Good nutrition can help prevent that from happening. If illness does occur, a well-nourished body can respond better to treatment.
Note: These are general nutritional guidelines for people living with COPD. Each person's needs are different, so talk to your doctor or RDN before you make changes to your diet.
Reviewed and approved by the American Lung Association Scientific and Medical Editorial Review Panel.
Page last updated: May 23, 2023