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B12 is given as an intramuscular injection , usually into your upper arm or buttock
Quality control is crucial to minimize risks
Insert the needle through the peptide vial's rubber stopper
B12 deficiency isnt just a vegan problem
The Z-track method, displacing the skin laterally by two to three centimetres before insertion and releasing it after withdrawal, seals the needle path and reduces leakage and irritation
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