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Subcutaneous B12 Injections: Key Differences When it comes to Vitamin B12 injections, one of the most critical decisions is choosing whether to administer the injection intramuscularly (IM) or subcutaneously (SC)
Week 1: Dose: 50mcg Frequency: Once, on a night when you can sleep in the next morning Timing: 2-3 hours before intended sleep Purpose: Assess basic tolerance and response Week 2: Dose: 75-100mcg Frequency: 2-3 times during the week Timing: 1-2 hours before bed Purpose: Establish baseline effective dose During this assessment phase, track sleep quality subjectively and, if possible, with a wearable device that measures sleep stages
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For a 100 mg vial, adding 2 mL of BAC water gives a 50 mg/mL concentration
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