Vitamin D and Reduced Irritable Bowel Syndrome Symptom Severity

• Targeting Irritable Bowel Syndrome Through Diet and Mechanism-Based Therapies: A Pathophysiological Approach.

  • 2025-11-17
  • Review
  • Nutrients 17(22)
  • • Ioanna Aggeletopoulou
    • Katerina Karaivazoglou
    • Maria Kalafateli
    • Christos Triantos

  • PubMed: 41305645
  • DOI: 10.3390/nu17223595

  1 Insight on

  • Reduced Irritable Bowel Syndrome Symptom Severity

  • Moderate evidence
  • Rigorous Journal

  vitamin D supplementation can modulate microbial composition, reduce luminal irritants, support barrier integrity, and attenuate immune system activation

  Effect

  Beneficial

  Effect size

  Small

  Significant

  Yes