b12 complex injection side effects Are Vitamin Shots Right for You? Vitamin B12: Overdose and Side
Description
Jumpstart Weight Loss Methionine inositol choline (MIC) B12 injections contain a blend of nutrients that help your body release fatty deposits

2009 Sep;139(9):1744-50

But the injections do help so i will deal with the acne for now lol
There might be a little bruise for a day or so

This includes antibiotics, anti-seizure drugs, and chemotherapy

If what they wanted for their care is not one of these two options, theres not much we can do about that