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b12 injection is given where intramuscular or subcutaneous How to Give a B12 Injection: Step-By-Step Instructions B12 Shots at Home: How,
Description
[DOI] [PubMed] [Google Scholar] 73.Wu Y., Siadaty M

During the treatment, a medical professional will inject the MIC B12 shot directly into a muscle in the buttocks, thigh, hip, or upper arm
Neurological symptom recovery , such as relief from tingling or "brain fog," may take longer as nerves require time to heal

One of the primary benefits is that the shot puts the full dose of B12 into the bloodstream
