diet and asthma

Asthma Eating: A Healthy Diet for Asthmatics

Asthma is a chronic respiratory condition that affects millions of people worldwide. While medication and proper management techniques play a crucial role in controlling asthma symptoms, many individuals may not be aware of the significant impact their diet can have on their condition.

In this article, we’ll explore the relationship between asthma and nutrition, highlighting the importance of a healthy diet for asthmatics.

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The Role of Nutrition in Asthma

The Asthma-Diet Connection

Did you know that the foods you eat can influence the severity and frequency of asthma symptoms? It might surprise you, but there’s a strong connection between your diet and your respiratory health. Let’s delve into how nutrition plays a vital role in asthma management.

1. Triggers and Inflammation

Certain foods can act as asthma triggers, exacerbating symptoms and making it harder to breathe. For example, high-sugar and processed foods are known to promote inflammation in the body, including the airways. Inflammation can lead to increased bronchial reactivity, a hallmark of asthma.

2. Antioxidants and Lung Health

On the flip side, antioxidants found in fresh fruits and vegetables can be asthma’s natural enemy. Antioxidants help reduce inflammation and neutralize harmful free radicals in the body. Some studies even suggest that a diet rich in antioxidants may lead to better lung function and reduced asthma symptoms.

Foods to Include in an Asthma-Friendly Diet

Fresh Fruits and Vegetables

One of the cornerstones of an asthma-friendly diet is consuming plenty of fresh fruits and vegetables. Not only are they packed with antioxidants, but they also provide essential vitamins and minerals that support overall health. Some asthma-friendly options include:

Spinach and Kale: These leafy greens are rich in magnesium, which can help relax airway muscles and reduce the risk of asthma attacks.

Berries: Blueberries, strawberries, and raspberries are bursting with antioxidants like vitamin C, which may help reduce airway inflammation.

Apples: Apples contain quercetin, a natural compound that may help stabilise immune cells and reduce allergic reactions.

Omega-3 Fatty Acids

Omega-3 fatty acids, found in certain fish like salmon, mackerel, and sardines, can have a profound impact on asthma management. Research suggests that omega-3s can reduce airway inflammation and improve lung function. If you’re not a fan of fish, consider flaxseeds, chia seeds, or walnuts as plant-based sources of these essential fats.

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Lean Proteins

Protein is essential for maintaining muscle strength and overall health. When it comes to asthma, opting for lean protein sources can be particularly beneficial. Lean meats like chicken and turkey, as well as plant-based options like tofu and legumes, provide the necessary protein without excess saturated fat.


Staying well-hydrated is essential for everyone, but it’s especially crucial for asthmatics. Dehydration can lead to increased mucus production in the airways, making breathing more difficult. Herbal teas, such as chamomile and ginger, can not only provide hydration but also offer soothing effects that can benefit asthma sufferers.

Interesting Fact: Some studies suggest that caffeine, found in tea and coffee, may help relax airway muscles temporarily, providing relief for asthma symptoms.

Foods to Avoid or Limit

Common Asthma Triggers

While certain foods can benefit asthmatics, others can worsen symptoms or trigger asthma attacks. It’s essential to be aware of these common culprits:

Processed Foods: Highly processed and fried foods are often high in unhealthy fats and additives, which can contribute to inflammation.

Sugary Beverages: Sugary drinks like soda and some fruit juices can increase the risk of obesity and inflammation, both of which can worsen asthma symptoms.

The Role of Food Allergies in Asthma

Food allergies can sometimes accompany asthma, and they can make managing the condition more challenging. If you suspect certain foods trigger your asthma symptoms, consider consulting an allergist for testing. Identifying and eliminating allergens from your diet can significantly improve your quality of life.

Meal Planning Tips for Asthmatics

Creating Balanced Meals

Creating well-balanced meals is essential for asthma management. Aim to include a variety of foods from different food groups in each meal to ensure you get a broad spectrum of nutrients.

Vegetables on the box / Asthma-eating-A-healthy-diet-for-asthmatics
Beta carotene-rich vegetables, such as carrots and leafy greens are recommended for people with asthma.

Portion Control and Sizes

Portion control can help prevent overeating, which can lead to weight gain and worsen asthma symptoms. Pay attention to portion sizes, and avoid super-sized servings.

Timing of Meals and Snacks

Spacing out meals and snacks throughout the day can help maintain stable blood sugar levels, reducing the risk of energy crashes that can trigger asthma symptoms.

The Importance of Keeping a Food Diary

A food diary can be a valuable tool for identifying food triggers. Record what you eat and note any changes in your asthma symptoms. Over time, you may start to see patterns that can guide your dietary choices.

Lifestyle Factors That Complement a Healthy Diet

The Buteyko Breathing Method

The Buteyko Breathing Method is a valuable technique that can complement dietary changes in asthma management. It focuses on breathing exercises that help control hyperventilation, a common issue in asthmatics. By practicing Buteyko breathing techniques, you can learn to manage your breathing patterns and reduce the likelihood of asthma attacks.

Regular Exercise and Asthma Management

Exercise is crucial for maintaining a healthy weight and overall well-being. However, for asthmatics, it’s essential to choose asthma-friendly exercises and have a rescue inhaler on hand during physical activity. Consult with your healthcare provider for personalised exercise recommendations.

Stress Management Techniques

Stress can exacerbate asthma symptoms. Consider incorporating stress-reduction techniques like yoga, meditation, or deep breathing exercises into your daily routine to help manage stress and improve asthma control.


In conclusion, your diet plays a more significant role in managing asthma than you might have realized. By making informed dietary choices, including asthma-friendly foods and avoiding triggers, you can take proactive steps towards better asthma control. Remember that asthma management is a holistic approach, and a healthy diet is just one piece of the puzzle. Always consult with your healthcare provider or a registered dietitian for personalised advice and recommendations.

Remember, you have the power to improve your asthma control through your dietary choices and lifestyle adjustments. Start making positive changes today for a healthier, asthma-friendly tomorrow.

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