Safety and Side Effects Vitamin B12 injections are generally considered to be very safe
Emerging evidence further supports the role(s) of proteins associated with the mucosal barrier in epithelial injury and repair: manipulations of associated proteins also modified epithelial differentiation, proliferation, and apoptosis
Potential side effects may include injection-site redness, swelling, bruising, itching, tenderness, small lumps, headache, fatigue, nausea, appetite changes, abdominal discomfort, stool changes, dizziness, altered sleep, mood changes, or feeling off. Allergic or immune reactions are also possible, and the FDA has specifically raised concerns about immunogenicity and peptide-related impurities in compounded BPC-157
When we do food sensitivity testing, nuts and seeds can come high up on the list of irritants, says Dr Al Jafari