Busy professionals seeking reliable supplementation without daily pill regimens, athletes wanting optimized energy production, and individuals committed to proactive wellness often prefer the convenience and reliability of periodic injections
Deltoid (Upper Arm): Suitable for Experienced Administrators The deltoid, located in the upper arm, is another effective site for Vitamin B12 injections, especially for those who are experienced in administering injections
Subcutaneous B12 administration, although promising in select cases such as congenital cobalamin disorders, lacks comprehensive comparative studies against IM and oral routes
This site is particularly beneficial for individuals who require larger doses of B12 or those receiving injections from a healthcare provider
The usual dose is 1000 mcg (1 mL)
See these diagrams: Source: Clinical Procedures for Safer Patient Care by Doyle & McCutcheon