Bifidobacterium animalis subsp. lactis BB-12 and Reduced Depressive Symptoms Postpartum

• Prebiotics, probiotics, and synbiotics and maternal mental health during pregnancy and postpartum period: a systematic review.

  • 2026-02-17
  • Systematic Review · n = 342
  • Frontiers in nutrition 13
  • • Sandra Martín-Peláez
    • Luis Miguel Martín-delosReyes
    • Naomi Cano-Ibáñez

  • PubMed: 41783815
  • DOI: 10.3389/fnut.2026.1776398

  4 Insights on

  • Reduced Depressive Symptoms Postpartum

  • High evidence

  One RCT showed significantly lower depressive scores in the intervention group at day 45 (mean 9.0 ± 4.8 vs. 12.1 ± 5.9; p < 0.001) and day 90 (7.0 ± 3.3 vs. 10.8 ± 6.2; p < 0.001) of postpartum compared to placebo.

  Effect

  Beneficial

  Effect size

  Small

  Significant

  Yes