can b12 injections cause nerve damage A Guide to Vitamin for Pain Vitamin B12 Deficiency: Symptoms, Causes
Description
Methylcobalamin is compounded and is not an FDA-approved drug
Antibiotic exposure postweaning disrupts the neurochemistry and function of enteric neurons mediating colonic motor activity (in Eng)

Many people feel increased energy within hours
Yes, but it depends on the procedure and payer rules
