Safety and Side Effects Vitamin B12 injections are generally considered to be very safe
When the substance enters the bloodstream, it affects all major organs in your body, including the heart and brain
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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
Standard: 40 mg loading (weeks 14) + 20 mg maintenance (weeks 512) = 60 mg total (12 5 mg vials)