Respiratory problems such as asthma, chronic obstructive pulmonary disease (COPD), allergies or respiratory infections can significantly affect quality of life. The respiratory system is responsible for supplying oxygen to the body and removing carbon dioxide, so its proper functioning is crucial to health. Although pharmacological treatment plays an important role, diet is often an underestimated adjunct to therapy. A healthy diet for people with respiratory problems can reduce inflammation, boost immunity, promote tissue regeneration and improve lung function. In this article, we will look at the principles of such a diet, key nutrients and products to include or eliminate from the menu. Enjoy your reading!