Vitamin C and Improved Lung Function

• Vitamin C for asthma and exercise-induced bronchoconstriction.

  • 2013-10-23
  • Meta-Analysis · n = 419
  • The Cochrane database of systematic reviews 2018(6)
  • • Stephen J Milan
    • Anna Hart
    • Mark Wilkinson

  • PubMed: 24154977
  • DOI: 10.1002/14651858.cd010391.pub2

  5 Insights on

  • Improved Lung Function

  • High evidence
  • Clinical

  In each of these outcomes there was no significant difference between vitamin C and placebo.

  Effect

  Neutral

  Effect size

  Small

  Significant

  No

  Dose

  daily vitamin C supplementation (varied doses across studies)

• Vitamin C in Allergy Mechanisms and for Managing Allergic Diseases: A Narrative Review.

  • 2025-05-30
  • Review
  • Children (Basel, Switzerland) 12(6)
  • • Chiara Trincianti
    • Matteo Naso
    • Maria Angela Tosca
    • Giorgio Ciprandi

  • PubMed: 40564676
  • DOI: 10.3390/children12060718

  5 Insights on

  • Improved Lung Function

  • Low evidence

  Recent evidence suggests a protective role for vitamin C in asthma, with several studies reporting reduced oxidative stress markers, improved lung function, and decreased airway inflammation following regular intake or supplementation.

  Effect

  Beneficial

  Effect size

  Moderate

  Dose

  dietary intake (not specified)