Lactobacillus casei LC03 and No Significant Reduction in Lower Respiratory Tract Infections

• Multi-Strain Probiotic and Common Infections in Early Childhood Education Settings: A Randomised Controlled Trial.

  • 2026-01-23
  • RCT · n = 118
  • Journal of paediatrics and child health 62(3)
  • • Hafiz Haris Ahmad
    • Blake Peck
    • Daniel Terry

  • PubMed: 41574644
  • DOI: 10.1111/jpc.70295

  3 Insights on

  • No Significant Reduction in Lower Respiratory Tract Infections

  • High evidence
  • Large Human Trial

  probiotic supplementation had no impact on respiratory tract infections (RTIs).

  Effect

  Neutral

  Effect size

  Small

  Significant

  No