Vitamin B12 and Reduced Hearing Threshold

• Exploring the Intricate Connection Between Vitamin B12 Deficiency and Hearing Loss: A Systematic Literature Review.

  • 2025-01-11
  • Systematic Review · n = 612
  • Ear, nose, & throat journal 105(2)
  • • Joyline Rodrigues
    • Shubhangi Anand
    • Dhanshree R Gunjawate
    • Kaushlendra Kumar
    • Rohit Ravi

  • PubMed: 39797597
  • DOI: 10.1177/01455613241298070

  3 Insights on

  • Reduced Hearing Threshold

  • High evidence

  Most of the studies had observed statistically-significant differences in the hearing thresholds with low vitamin B12 levels.

  Effect

  Harmful

  Effect size

  Small

  Significant

  Yes