https://www.ncbi.nlm.nih.gov/pubmed/23909117 it seems B12 may not be so effective, but Korean Ginseng has recently been proven to be effective: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4582451/
https://www.ncbi.nlm.nih.gov/pubmed/23909117 it seems B12 may not be so effective, but Korean Ginseng has recently been proven to be effective: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4582451/
RE: The Cure For Tinnitus or Ringing in the Ears