Potential Side Effects and Considerations While vitamin B12 injections are generally safe, some people may experience mild side effects, such as soreness at the injection site or a slight rash
How To Give Yourself A B12 Injection The thought of self-administering an injection can be daunting
For easier dosing calculations, many practitioners use: 2 mg vial + 2 mL bacteriostatic water = 1 mg/mL (1,000 mcg/mL) 5 mg vial + 2 mL bacteriostatic water = 2.5 mg/mL (2,500 mcg/mL) Step 3: Draw Bacteriostatic Water Clean the rubber stopper of the bacteriostatic water vial with an alcohol prep pad
Inadequate secretion of intrinsic factor, resulting from lesions that destroy the gastric mucosa (ingestion of corrosives, extensive neoplasia), and a number of conditions associated with a variable degree of gastric atrophy (such as multiple sclerosis, certain endocrine disorders, iron deficiency, and subtotal gastrectomy)
Their components are not among the substances screened by standard drug tests