Vitamin D and Reduced Symptom Severity

• Chronic urticaria and vitamin D supplementations: a systematic review.

  • 2025-07-31
  • Systematic Review · n = 491
  • European journal of medical research 30(1)
  • • Ayesha Siddiqui
    • Aruna Bai
    • Haresh Kumar
    • Yash Roop Mandhwani
    • Anjali Bai
    • Priya Bai
    • Neha Kumar
    • F N U Muskan
    • Sumaiya Jatoi
    • Zulfiqar Ali
    • Abida Parveen

  • PubMed: 40745339
  • DOI: 10.1186/s40001-025-02852-5

  3 Insights on

  • Reduced Symptom Severity

  • High evidence
  • Clinical

  Vitamin D supplementation, particularly in individuals with a deficiency, was associated with reductions in urticaria activity scores, symptom severity, and improved quality of life.

  Effect

  Beneficial

  Effect size

  Moderate

  Significant

  Yes

  Dose

  4000 IU/day or 60000 IU/week