are there any side effects of b12 injections Vitamin shots: Uses, benefits, and Side Effects from too much

Analysis of the plasma EBV virus capsid antigen (VCA)-specific IgG levels further showed that the patient undergoing combination therapy had only negligible levels of EBV-specific IgG in his plasma as compared to other NKTL patients who are not treated with Daratumumab, indicating a compromised humoral anti-EBV response ( Supplementary Figure 1 )

"Falsely Elevated Serum Vitamin B12 Levels Were Associated with the Severity and Prognosis of Chronic Viral Liver Disease"

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Side Effects : Both forms share similar gastrointestinal side effects, though injections may also cause minor injection site reactions