305165 needle for b12 injection BD Needle, 25G x 5/8", Hypodermic, 100/Box, 305122 21 G x 1-1/2 in.
Description
This vitamin primarily acts as an enzyme cofactor, helping with DNA and energy production

Yes, when administered by a trained professional, Biotin injections are safe

BMJ Journals

Nausea affects approximately 44% of participants in pooled STEP trial data, with diarrhea (30%), vomiting (24%), and constipation (24%) also common
