how to give vitamin b12 injections to yourself Ivy Grove Surgery : Self-administration of injection How to self-inject intramuscular vitamin

Not for use in diagnostic procedures, human use, or veterinary use

Common side effects of vitamin B12 injections include mild diarrhea, itching, nausea and vomiting, dizziness, headaches, and hot flashes

2.5 Quality assessment and risk of bias In line with PRISMA guidelines, the assessment of methodological quality was conducted to evaluate the strength of evidence, recognising that methodological limitations may introduce bias

Some people might also notice mild diarrhea or a feeling of swelling in their body, but these are typically temporary

For people without a deficiency, the evidence for additional benefit from injections is much weaker