when do i need b12 injections Best Vitamin Injection Site: Administering B12 Shots What are the Signs of

If patients are to start NASCOBAL before having tolerated cyanocobalamin parenterally, consider administering an intradermal test dose of parenteral vitamin B12 to patients suspected of cyanocobalamin hypersensitivity [see Dosage and Administration (2.1)]

This depends on the dose and vial size: 50mg vial at 1mg/dose = 50 doses 50mg vial at 2mg/dose = 25 doses 100mg vial at 1mg/dose = 100 doses 100mg vial at 2mg/dose = 50 doses 200mg vial at 2mg/dose = 100 doses Community-reported protocols using 1-2mg daily document a 50mg vial lasting 25-50 days

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BPC 157 injections take effect quite quickly