lingering pain after b12 injection in thigh Feeling worse Injection: Answering concerns Vitamin B12 Injections for Neuropathy
Description
UroToday Int J, Feb 5(1), art 93

Who should avoid taking vitamin B12 supplements
Every cat who has chronic GI symptoms should have their cobalamin levels evaluated
their inclusion is for research quality assessment only and does not imply suitability for human or veterinary use
DOI Giudice, J., & Taylor, J

Yes, it is