Respiratory & Lungs
Support clear breathing and lung health.
Lung health is protected most by not smoking, clean air, and activity. These nutrients support respiratory health, with the strongest evidence in specific situations.
What to look for
Nutrients that support clear breathing and lung health.
What the research supports
Recommended supplements
- Vitamin DPooled trial data show it modestly lowers the risk of respiratory infections, especially in people who were deficient.
- NACIn people with chronic bronchitis or COPD, a meta-analysis found NAC reduced the rate of flare-ups; it also helps thin mucus.
- QuercetinA plant flavonoid studied for respiratory and allergy support, though the human evidence is still limited.
You'll create a free Fullscript account and check out through our professional dispensary — 20% off retail.
We may earn a commission on Fullscript purchases, at no extra cost to you. Affiliate Disclosure
Things to keep in mind
Breathing difficulty, a persistent cough, or wheezing should be evaluated by a provider. These support respiratory health but don't treat asthma, COPD, or infections on their own.
Educational information only. These statements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement.
References
Recommendations on this page are informed by published research. This is educational information, not medical advice.
- Cazzola M, Calzetta L, Page C, et al. Influence of N-acetylcysteine on chronic bronchitis or COPD exacerbations: a meta-analysis. Eur Respir Rev. 2015;24(137):451-461. View study →Note: Studied in people with chronic bronchitis or COPD, where N-acetylcysteine reduced the rate of flare-ups.
- Martineau AR, Jolliffe DA, Hooper RL, et al. Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data. BMJ. 2017;356:i6583. View study →