Vitamin B12 and Reduced Psychiatric Symptom Severity

• Vitamin D and Vitamin B12 in Psychiatric Disorders: An Exploratory Systematic Review and Meta-Analysis of Nutrient-Specific Status and Supplementation Evidence.

  • 2026-05-10
  • Review
  • Diseases (Basel, Switzerland) 14(5)
  • • Lavinia-Alexandra Moroianu
    • Cecilia Curis
    • Valeriu Ardeleanu
    • Roxana Elena Bogdan-Goroftei
    • Simona-Dana Mitincu-Caramfil
    • Marius Moroianu
    • Alina Pleșea-Condratovici

  • PubMed: 42187879
  • DOI: 10.3390/diseases14050167

  1 Insight on

  • Reduced Psychiatric Symptom Severity

  • Low evidence

  B₁₂ supplementation evidence was sparse and null

  Effect

  Neutral

  Effect size

  Small

  Significant

  No

  Dose

  not specified (supplementation)