Natural Remedies for COPD COPD treatment aims to slow disease progression and preserve your breathing. Watch the video above to learn more about natural therapies for COPD, or read the written summary below. Cardio As you build aerobic fitness, your heart won\u2019t have to work as heard and breathing will become easier. Ginseng Ginseng may help improve your lung function. But check with your doctor first, as it could interfere with some medications. Upper-Body Resistance Training Gentle resistance training can build the muscles around the respiratory system. A stronger torso means better posture, which makes it easier to keep airways open. Vitamin D Vitamin D can help boost lung function, though the reasons why aren\u2019t exactly clear. L-Carnitine The body uses this natural compound to burn fat for energy. It can increase endurance and make aerobic activity easier. Deep Stretching Stretching and breathing exercises like yoga and Pilates help improve breath control and lengthen the muscles. N-Acetylcysteine (NAC) This potent antioxidant can help reduce coughing and thin out built-up mucus in the airways.