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is vitamin b12 an intramuscular injection Best Sites: Where to Inject B12 · PA Relief b12 injection subcutaneous vs.intramuscular b12
Description
Poor hygiene or reused needles can cause infection, and an injection placed badly can rarely irritate a nerve
However, it's essential to consult with a registered dietitian or healthcare provider before starting any supplement regimen to ensure proper dosage and compatibility with existing health conditions

If its incredibly severe, you can have B12 injected

Cross-talk between butyric acid and gut microbiota in ulcerative colitis following fecal microbiota transplantation
