Methylcobalamin B12 may help alleviate symptoms of post-herpetic neuralgia
https://www.slideserve.com/bobbiehrjo/the-role-of-vitamin-b12-in-reducing-the-risk-of-dementia
Methylcobalamin B12 may help alleviate symptoms of post-herpetic neuralgia, a type of nerve pain that occurs after a shingles infection